Question

Penny has 14 coins, all nickels, dimes, and quarters, totaling $2.50. She has twice as

many dimes as nickels, and twice as many quarters as dimes. How many dimes does
she have?
a.4
b.5
c.6
d.3

Answer 1

She has 3 dimes d.3.

Answer 2

Explanation:

D = 2N

Q = 2D

Q = 4N

N = ??

Q + D + N = 2.50

(4N) + (2N) + N = 2.50

7N = 2.50

D = 2N

7D = 14N

a?

I'm not good with money- I'm very sorry.