AskQ logo

STUCK ON HOMEWORK?

ASK FOR HELP FROM OUR KIASUPARENTS.COM COMMUNITY!

Question

Answer

If Andrew had u ten-cent coins, he had u twenty-cent coins.

10 cents = $ 0.1

20 cents = $ 0.2

0.1u + 0.2u = 6

0.3u = 6            Divide both sides by 0.3

u = 6/0.3 = 20

So Andrew had 20 ten-cent coins.

 

 

Check: 20 * 0.1 + 20 * 0.2 = 2 + 4 = 6 checked

0 Replies 2 Likes ✔Accepted Answer