There are twelve times as many football players on a football team as there are coaches. Write a formula that relates the number of coaches to the number of players on the team. (Be sure to define variables to represent the values of these varying quantities).

Matt has twice as many stickers as David. How many stickers must Matt give David so that they will each have 45 stickers?

The number of outraged varied directly as the number who were furious. If 600 were outraged when 200 were furious, how many were outraged when 100 were furious?

At the start of the school year,the ratio of boys to girls in drama club is 5 to 3.After Winter Break, 6 girls join the drama club so the number of boys in the club is equal to the number of girls in the club .How many more girls need to join the club to make the ratio of  boys to girls3 to 5

A bottle of Medicine X contains 500 mL of syrup.  The prescribed dose is 5 mL 3 times per day.  How many mL of medication does the child need to be given per day?

Khalil is training for a race by running everyday. The first day he runs 3 miles. Each subsequent days he runs 4/3 of the distance from the previous day. How many miles does he run on the fourth day?

A total of $6000 is invested for 5 yr with a total return of $1080. Part of the money is invested in a fund that returns the equivalent of 2% simple interest. The rest of the money is invested at 4% simple interest. Determine the amount invested in each account.

Andrew and Ryan shared some chocolates. Andrew gave away 1/4 of his chocolates. 1/4 of the given chocolates were taken by Ryan. Ryan then had the same number of chocolates as Andrew. If Andrew gave away 12 chocolates, how many chocolates did each of them have at first? Answers : Alex = 48 Ryan = 33

Jett’s car gets about 30 miles to the gallon.  Suppose he drives about 15,000 miles each year and gas costs an average of $3.75 per gallon.  How much money will Jett spend on gas in a year?     $1,905     $1,875     $1,810     $1,750

The weight of peanuts in a mixture is 16 times more than the weight of raisins in the mixture. Define variables and write an equation for the weight of peanuts in terms of the weight of raisins, For each variable, circle the quantity word and undrline the units of your definition.