Question

Paul owes paula 35 cents and has a pocket full of 5 cent coins 10 cent coins and 25 cent coins that he can use to pay her what is the difference between largest and smallest number of coins that he can use to pay her?

Answer 1

find the largest number of coins
use the smalles value
5 is smallest
7 of the 5 coins
largest is 7 coins


so find the smallest number of coins
use biggest number
25 cent and 10 cent make 35 cent
that's 2 coins (25 and 10 coins)
smallest number is 2

differcen between largest and smallest=7-2=5

5 is the answer