There are four boys to every three girls in an introductory geology course. If there are 392 students enrolled in the course, how many are boys?

Q: A stadium has 250 people in it at noon. If 35 people per minute enter the stadium, how many are in…

A: Number of people at noon, or in terms of  slope intercept form, y intercept=250 Rate at which people…

Q: A college student has finished 48 credit hours with a GPA of 2.75. To get into the program she…

A: As it is given  that the 48 credit hours carry an average of 2.75Therefore, total number of…

Q: an eyewitness to a crime said that the license plate of the getaway car began with the letters Y,B,…

A:

Q: A manufacturer knows from experience that for every 100 widgets that are produced at her factory, 3…

A: Given Information- Out of every 100 widgets produced 3 will be defective. Using Unitary method We…

Q: There are five boys to every seven girls in introductory geology course . If there are 408 students…

A:

Q: An eyewitness to a crime said that the license plate of the getaway car began with the letters T,…

A: Given: An eyewitness to a crime said that the license plate of the getaway car began with the…

Q: A hotel has 200 rooms. Those with kitchen facilities rent for $100 per night and those without…

A: According to given data let's assume rooms with kitchen are x and rooms without kitchen are y So, if…

Q: The average age of a group of six men is 42.If the youngest man leaves , the new average is 46. What…

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Q: There are 374 students who are enrolled in an introductory geology course. If there are five boys to…

A:

Q: In a certain year, a magnitude 7.7 earthquake struck California. In another year, a magnitude 5.7…

A: According to definition;                                       M = log(I/S)   Now, for comparison of…

Q: In a class of 40 students, 27 like Calculus and 25 like Chemistry. How many like both Calculus and…

A: Let x be the number of students who like both the subjects.

Q: In a class of 40 students, 27 like calculus and 25 like chemistry. How many like both calculus and…

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Q: In a room containing 45 students there were twice as many girls as boys. Howmany of each were there?

A:

Q: A person buys 32 one-liter bottles of soda bottles for a large company party. The store clerk offers…

A: given : total number of bottles = 32  bottles held by 1 cardboard case = 8 to find : number of…

Q: An eyewitness to a crime said that the license plate of the getaway car began with the letters U…

A: Solution: There are 2 letters this means that

Q: In a class of 60 students,each of the students passed either in mathematics or in science or in…

A: Given: Total number of students passed either in mathematics or in science or in both=60 Students…

Q: Four out of every five trucks on the highway are followed by a car, while only one out of every four…

A: If a truck goes by the next vehicle will be a car with probability 4/5 and will be a truck with…

Q: A certain grade of milk contains 10% butter fat and a certain grade of cream60% butter fat. How many…

A: Let x quarts of milk and (100-x) quarts of cream have to be mixed.  Total amount of butterfat is:…

Q: The capacity of an elevator is either 20 children or 15 adults. If 12 children are currently in the…

A: Given:The capacity of an elevator is either 20 children or 15 adults.Let c = children and a =…

Q: An eyewitness to a crime said that the license plate of the getaway car began with the letters Y, N,…

A: Y, N, X, F are 4 letters We can arrange the 4 letters in 4! ways = 24 ways  And there are 1 and 3 ,…

Q: An experienced welder makes 1.67 as many welds as a beginning welder. If an experienced welder and a…

A: Let x be the number of welds from the experienced welder and y be the number of welds from the…

Q: There are 399 students who are enrolled in an introductory geology course. If there are five boys to…

A: Total number of students are 399. There are five boys to every two girls.

Q: A frog is in a well 12 feet deep, each day the frog climbs up 3 feet, and each night it slips back 2…

A: Depth of well = 12 feet To calculate: Number of days required by frog to get out of the well  Given:…

Q: For this problem, assume that 13 exhibits entered the science fair, and that we want to assign 3…

A: The number of exhibits entered the science fair is 13. The number of prizes that are to be assigned…

Q: A red wine is brought up from the wine cellar, which is

A: Given, A red wine is brought up from the wine cellar, which is cool 10°C, and left to breathe in a…

Q: If a particular brand of coffee is 11.7% caffeine. How many 5  oz cups of coffee could you make…

A: Given : Proportion of Caffeine in particular brand of coffee  = 0.117 We have been provided cups of…

Q: In a certain year, a magnitude 6.2 earthquake struck California. In another year, a magnitude 4.2…

A: According to question, In a certain year,  a magnitude 6.2 earthquake struck California. In another…

Q: How many gallons of water are there is 25 gallons of a solution that is 20% vinegar, with the…

A: Solution  Given total solution is = 25 gallons  The solution is made of water and vinegar  We know…

Q: If a golf course is open 3,600 hours a year and 360 days a year, how often would the golf course be…

A: Number of hours in day is 24 hours. 24 hours=1 day3600 hours=124×3600 days=150 days

Q: If five is subtracted from three times a certain number, the result is 10. Whatis the number?

A:

Q: Suppose that College A has four-fifths the enrollment of College B. (i) If College B has 2000…

A:

Q: When five is added to three more than a certain number, the result is 19.What is the number?

A: Let the number be x When five is added to three more than a certain number = 3x + 5

Q: If I charged 30$ a hair cut the whole year how many customers would I need and how many times would…

A: Given: The cost of hair cut is $30. The whole year income is $17,510.

Q: Suppose thirty-two students signed up for classes during an orientation session. If exactly twenty…

A: Follow the next steps for the solution. The detailed step by step solution by Polya's problem…

Q: In the game of football, a team can score either a touchdown for six points or field goal for three…

A: The objective is to look for scores which cannot be achieved if the team scored under 30 points. It…

Q: How many children and how many adults attended?

A:

Q: A witness to a hit-and-run accident tells the police that the license plate of the car in the…

A:

Q: Suppose Albers Elementary School has 39 teachers and Bothel Elementary School has 98 teachers. If…

A:

Q: 4-

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Q: There are 420 students who enrolled in an introductory engineering course. If there are five boys to…

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Q: Mary is 24 years old. Mary was twice as old as Ann was when Mary was as old as Ann is now. How old…

A: Note: There is mistake in statement as, statement talks about past in both part. which will not…

Q: There are 377 students who are enrolled in an introductory geology course. If there are eight boys…

A:

Q: A student needs eight more classes to graduate. If she has met the prerequisites for all the…

A: Given ,A student needs 8 more classes to graduate.

Q: Suppose thirty-two students signed up for classes during an orientation session. If exactly twenty…

A: Given that: Total number of students = 32Number of students signed up for chemistry =20Number of…

Q: In a group of 10 workers, the wage of the lowest paid worker is Dollar 25 less than the average wage…

A: From the given information, There is a group of 10 workers. That is, n=10 The wage of the lowest…

Q: Suppose  a culture of 300 bacteria is put in a petri dish and the culture doubles every hour.…

A: Given: - A culture of 300 bacteria is put in a petri dish and the culture doubles every hour. To…

Q: The admission fee at a local zoo is $1.50$1.50 for children and $6.00$6.00 for adults. On a certain…

A:

Q: If nine candles are blown out on a birthday cake containing seven times as many candles altogether,…

A: Given that nine candles are blown. Let a=7 and birthday cake contains seven times as many candles…

Q: A farmer knows that of every 50 eggs his chickens lay, only 45 will be marketable. If his chickens…

A: we have been given the information that  out of 50 eggs, only 45 are marketable

Statements and Logic

Logic is the analysis of general patterns of thoughts without regard to any specific sense of context.