In Class Assignment 9-15-06

Solve the following problems by APPLYING rates:

1) Don can eat 14 hot dogs in 3 min and Matt can eat 21 hot dogs in 5 min.

a) Which one of them is the faster hot dog eater? How do you know?

b) If Don continues at this rate, how long will it take him to eat 32 hot dogs?

c) If Matt continues at this rate, how many hot dogs can he eat in 12 minutes?

d) Write an expression that represents the number of hot dogs Matt can eat in x minutes.

Solve the following problems by setting up equivalent rates and solving the proportion:

2) While shopping, Kimberly and Danielle notice some great sales! Tilly’s has 3 shirts for $40 and American Eagle has 5 shirts for $60.

a) Which store has a better deal on shirts, Tilly’s or American Eagle? How do you know?

b) Assuming you can buy any number of shirts and still get this great cost, how much would it cost for 8 shirts at Tilly’s?

c) Assuming you can buy any number of shirts and still get the great cost, how many shirts can you buy from American Eagle if you have $85 to spend?