Question

Katie empties her purse and finds that it contains only nickels (worth 5 cents each) and dimes (worth 10

cents each). If she has a total of 7 coins and they have a combined value of 45 cents, how many of each coin
does she have?

Answer 1

5 nickel and two dimes

Explanation:

let let X be the number of Nickels

number of X is equals to 7 - x

5x+ 10*(7-x)= 45

X= 5

thus nickel is 5 and dimes is 2

Answer 2

Explanation:

2 dimes and 5 nickels

Dimes: 10 × 2 = 20

Nickels: 5 × 5 = 25