A professor has 180 students in her classes at the beginning of the semester, but 18 students withdraw from her classes before Test #3. If she has 4 classes in total and each class has an equal number of students, how many students are in each class? Round your answer to the nearest ones (i.e., one student).

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A:

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A: We can find the answer as below.

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A:

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A: Using permutations and combination

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A: Given:

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A: You have 15 books. 7 to one friend 5 to other friend  And 3 to third friend.  No. Of ways to do this…

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A:

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A: Ans 16

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A: First we let the ratio be 4x/3x . And total is 392.It means 4x+3x=392 .

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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…

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A: How many different ways can a director select from 20 male actors and cast the roles of Mark, Roger,…

Q: At a university, a dean is going to select 7 volunteers to serve on a committee. There are 7…

A: Given data:The dean is going to select 7 volunteers to serve on a comitee.There are 7 volunteers…

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A:

Q: At a restaurant you can choose from 3 appetizers 8 entrees, and 2desserts.How many different three…

A: Ans#-  Given, At a restaurant you can choose from 3 appetizers 8 entrees, and 2desserts.…

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: 50% of the students in a school were boys. 20% of the boys and 2/3 as many girls as boys took part…

A: As 50% are boys in the school so left 50% is girls which imply number of boys and number of girls…

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A: There are 5 different airplanes and 5 runways.

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A: We have to find the ways for five airplanes line up for departure on a runway. There are five…

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A:

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Q: In how many ways can 6 volunteers be assigned to 6 booths for a charity bazaar?

A:

Q: Mrs. Decker's Diamond Dotz class has twenty-four students. If 30% of the class finishes their…

A: Given:   Class has 24 only    Classs finsihed = 30%

Q: 3. Jill has a total of 100 dimes and quarters. If the total value of the coins is $14.05, how many…

A:

Q: A woman with a basket of eggs finds that if she removes the eggs from the basket 5 or 11 at a time,…

A: Euclid division lemma states that if a, b, q and r are set of integers then   a=b q +r, where…

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Q: the track team has 20 members and will be sending 5 members to the next competition. how many 5…

A: Given that, the track team has 20 members and will be sending 5 members to the next competition.

Q: From a group of 8 junior employees and 4 senior employees, how many different teams of four can be…

A:

Q: Ben is studying photography, and he was asked to submit 6 photographs from his collection to exhibit…

A: Combinations: The number of combinations of r items selected from n items is, nr=n!n-r!r! Ben has 15…

Q: If Bill was traveling v mi/h, how would you represent Daemon's speed in mi/h if he was traveling 50…

A: Given that, Speed of Bill is = v mi/h And Daemon was travelling 50 mi/h faster. Then we have to find…

Q: If I got 8 out of 12 answers the same as a classmate, is it possible for me to get no answers…

A: According to the provided information, 8 out of 12 answers the same as a classmate.

Q: A 12 ft board is to be cut into three​ pieces, two​ equal-length ones and the third 9 in. shorter…

A: 1 ft = 12 inches   Let “x” be the length of two equal parts and the third is 9 inches shorter then…

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

A:

Q: Solve by the method of your choice: How many different ways can a director select 4 actors from a…

A: Given that : The number of actors in the group = 20

Q: a. lose exactly 430 bags next week? b. lose at most 420 bags next week? c. lose more than 450 bags…

A: here mean  = 427 bags  standard deviation  = 35 bags    x = no of bag lost in next week

Q: In order to develop a more appealing​ cheeseburger, a franchise uses taste tests with 9 different​…

A: GivenTotal types of buns = 9Total types of Cheeses = 4Total types of Lettuces = 3Total types of…

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A:

Q: A company has 12 male and 11 female employees, and needs to nominate 2 men and 2 women for the…

A: A company has 12 male and 11 female employees. company needs to nominate 2 men and 2 women for the…

Q: Dr. Volz gave an exam with 14 questions, but students only had to answer 10 of them. Suppose the…

A: We have to use combination formula. Formula : Crn = n!r!(n-r)!

Q: Two multipedes were dancind together at a party,and trying hard not to trip over each other's feet!…

A: Let one multipled has x legs and another has y legs. So from the first conversation we get, x+2=y-2…