Question

if 100 aluminum cans weigh 4 pounds and recycling center is paying 25 cents a pound how much will robert be payed for his 330 cans

Answer 1

330 x 4 / 100 = 13.2 lbs

4 lbs ------0.25
13.2 lbs ......?

13.2 x 0.25 / 4 = 0.825 = 0.83

answer

83 cents