Question

Andrea has the same number of dimes as quarters. She has $2.10 in all. Which equation could you use to find the number of dimes and quarters? *

Answer 1

6 dimes & 6 quarters

Explanation:

Dimes = 10 cents

Quarters = 25 cents

No. of coins: x each

25x + 10x = 210

35x = 210

x = 6

Answer 2

.10x + .25x = 2.10

Explanation:

Let x = number of dimes

x = number of quarters

dimes = .10 of a dollar

quarters = .25 of a dollar

.10x + .25x = 2.10