Alex is traveling by train to a vacation spot that is 810 miles away. The train is traveling at 90 miles per hour, and it has already covered 180 miles. In exactly how many hours will Alex reach his destination? O 2 hours O 7 hours O 9 hours O 11 hours

Q: Bill weights 120 pounds and is gaining ten pounds each month, Phil weights 150 pounds and is gaining…

A: Let, after the "t" Months Bill's weigh is same as Phil. Then, in t months gain in Bill's weigh = 10t…

Q: n 2010, the population of a country A was approximately 3,370,611. In the same year, the population…

A: population of country B was -7346314 less than the population of country A

Q: Ben needs to mail a memory card to a friend. He uses 49 cent stamps and 8 cent stamps to pay 2.52 in…

A:

Q: Chang and John are driving separate cars to Chicago. They begin the trip with full gas tanks. The…

A: The graph represents the miles driven by two persons John and Chang and the gas remaining in their…

Q: 11,000 dollars is invested into two account, one at 8% and the other at 4.5%. How much must be…

A: Let amount invested in 1st account = $ x Amount invested in 2nd account = $ (11000-x) Interest on…

Q: A new police cruiser can drive 115 miles on the freeway on 4 gallons on gas. If a full tank is 30…

A:

Q: A bag of candy has 20 m&m’s for ever 18 skittles. How many m&m’s if there are 54 skittles?

A: consider the equation

Q: The entrance fee to a carnival is $8, and it costs $0.50 for each ride. If Sanjay rides 6 rides, how…

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Q: Alex can clean a dorm room for the College in 8 hours working alone. When Alex works with his best…

A:

Q: Ian is 75 years younger than Alejandra. 2 years ago, Alejandra's age was 4 times Ian's age. How old…

A: Let Ian is now x year old.∴According to the question,Alejandra's age is now (x+75) years2 years ago,…

Q: The Denver Post reported that, on average, a large shopping center had an incident of shoplifting…

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Q: A doctor prescribes 4 oz of 7.5% hydrocortisone to a patient. Hydrocortisone is available in 10% and…

A:

Q: Bill takes a vitamin B pill every 3 days and a vitamin C pill every 4 days. If he takes both pills…

A: Five

Q: Peter has money in two savings accounts. One rate is 9% and the other is 11%. If he has $400 more in…

A: Given: Peter has money in two savings accounts. One rate is 9% and the other is 11%. If he has $400…

Q: When running a half marathon (13.1 miles), it took Dustin 8 minutes to run from mile marker 1 to…

A: Given: From mile marker 1 to mile marker 2: Required time = 8 minutes From mile marker 2 to mile…

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: Brian goes fishing every four days and Jake goes fishing every five days. They both went fishing on…

A: Brain goes after 4 days. Jake goes after 5 days. So, LCM of (4,5) = 20

Q: The access code to a house's security system consists of five digits. How many different codes are…

A: The access code to a house's security system consists of five digits. We need to find number of…

Q: 6.Mary is 24 years old. Mary is twice as old as Merly was when Mary was as old as Merly is now. How…

A: age problem

Q: A postal carrier can deliver to 130 houses in a 2.5 hour period. At this rate, how many hours will…

A: To find number of hours it will take to deliver to 312 houses.

Q: circular area of radius  2.5 kilometers   is to be covered  by a search and rescue squad ,.…

A: To find out the change in area.

Q: Levi runs cross country. he runs 5 miles in 45 minutes. He runs 20 miles in 180 minutes. If he keeps…

A:

Q: 2. A group of students have volunteered for the student council car wash. Maven can wash a car in m…

A:

Q: Jack is taking a two-day road trip. He drove 304 miles on the first day, and needs to travel a total…

A: According to the problem       The total distance of  the destination of the trip = 560 miles and…

Q: You are on a farm that raises cows and chickens. If there are 20 animals total, and the animals have…

A: Number of 4 feeted(cows)animals =                                                        ( L - 2H )…

Q: At one gym, there is a $12 start-up fee, and after that each month, m, at the gym costs $20. At…

A: we want to find the equation of line for the gym 1 and gym 2.

Q: Two participating teams each received 5 litres of water for an outdoor activity on a certain day.…

A:

Q: Amanda can jog me 18 miles in 5 hours At this rate, how many miles can she jog in 4 hours

A: We can find the required miles covered by Amanda in 4hr as below.

Q: Kevin is John's father. Kevin is 51 years old. Three yea ago, Kevin was four times as old as his son…

A: According to the guideline we should able to do only first question at a time Please repost separate…

Q: he capacity of an elevator is either 25 children or 19 adults. If 6 children are currently in the​…

A:

Q: Two participating teams each received 5 litres of water for an outdoor activity on a certain day.…

A: First team have 5 liters of water, out of that 4.34 liters were used. So the water left by the first…

Q: Mr. White drove 15 miles in July. He drove 8 times as many miles in September as he did in July. He…

A:

Q: Alex's printer can print 8 photos in 12 minutes. Khalil's printer can print 24 photos in 1 hour.…

A: ⁎  Alex's printer can print,       8 photos →12 minutes   —How much time it will take for…

Q: A person on an assembly line produces P items per day after / days of training, where P(t)= 400 1 +…

A: We can make it easier for you.

Q: Alex can clean a dorm room for the College in 8 hours working alone. When Alex works with his best…

A:

Q: in and Danny had $200 altogether. Kevin gave 2/7 of his money to Danny. As a result, Danny had 4…

A: Let initially Kevin had x dollars and Danny had y dollars. The initial sum of money is $200…

Q: One athlete won a​ 100-meter race with a time of 11.16 seconds. Another athlete won a previous​…

A:

Q: Flora has a summer job where she earns $9.50 per hour. At this company, employees get a 10% raise…

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Q: For a Saturday service, if the weather is sunny, you will take in $9,000; if the weather is cloudy,…

A:

Q: Melly is three times as old as Ador. In 5 years, Melly will be twice as old as Ador. How old is…

A: Let Ador is x years old. So Melly is 3x years old. After 5 years Ador will be (x+5) years old  and…

Q: Jill burns 100 calories per hour while sleeping, 300 calories per hour while walking, and 200…

A:

Q: 17. Julian has $100 to spend on comics and Sea shells. If comics are $13.00 each, and sea shells are…

A: Dear student,                       According to our guidelines we can only answer one question or…

Q: If you have six books, but there is room for only four books on the shelf, in how many ways can you…

A:

Q: Alcuin of York, 775. A hundred bushels of grain are distributed among 100 persons in such a way that…

A: Given that,A hundred bushels of grain are distributed among 100 people in such a waythat each man…

Q: Frank is 73 years old. Zoe is 29 years old. How many years ago was Frank’s age 5 times Zoe’s age ?

A:

Q: Lisa swam 6 more laps than Amanda. Brynne swam one more than twice as many laps as Amanda. If Lisa…

A: Topic  =Algebra

Q: Marco and enzo both work a night shift. Marco has every sixthnught off and enzo has every fifth…

A: Marco has every 6th night off Enzo has every 5th night off Hence both are off at the same night is…

Q: There is 800L of water in a tank. At the top, a tube pours 25L per minute into the tank, and at the…

A: Initial total water in tank = 800 L  water pours by tube from top = 25 L per minute  water leaving…

Q: a car travels 360.2 miles on 51 liters of gas, how many liters of gas will it take to go 708 miles…

A: