Answer:
Brenda Claire Jim Micah Peter
4.3 5.5 6 1/6 15/4 4 3/8
4.3 5.5 6.17 3.75 4.375 (all values in decimal)
A. order the weights of the donations from greatest to least.
6.17 , 5.5 , 4.375 , 4.3 , 3.75
B. Which of the friends will receive a free movie coupon? Which will not?
As given - Each person who donates at least 4.25 pounds of aluminum receives a free movie coupon.
So, Brenda, Claire, Jim and Peter will receive coupons and Micah will not receive.
C.What if? Would the person with the smallest donation win a movie coupon if he or she had collected 1/2 pound more of aluminum?
Micah got 3.75 pounds and if he got 0.5 pounds more, then he would have;
pounds
Then he would have got the coupon as a minimum of 4.25 pounds is required.