Question

Need some more help with Algebra

Answer 1

• 5 nickels
• 12 dimes

Explanation:

You have 17 nickels and dimes totaling $1.45 in value, and you want to know the number of each.

Setup

Let d represent the number of dimes. Then 17-d is the number of nickels and the value in cents is ...

10d +5(17 -d) = 145

Solution

5d +85 = 145 . . . . . . . simplify

5d = 60 . . . . . . . . . . subtract 85

d = 12 . . . . . . . . . divide by 5

17 -d = 17 -12 = 5 . . . . . number of nickels

Joseph has 5 nickels and 12 dimes.