Question

Ella's grandmother sewed her a change purse. When she gifted it to her, Ella counted 23 coins already in it. Ella noticed there were only dimes and quarters worth $4.70. How many dimes were in the change purse?

Answer 1

Answer:

x quarters and (23-x) dimes.

Total money equation

   10*(23-x) + 25x = 470  cents

   10*23 - 10x + 25x = 470

   25x - 10x = 470 - 10*23

   15x       = 240

     x       = 240/15 = 16.

ANSWER.  16 quarters and the rest, 23-16 = 7 dimes.

Step-by-step explanation:

Answer 2

Step-by-step explanation:

x quarters and (23-x) dimes. Total money equation 10*(23-x) + 25x = 470 cents 10*23 - 10x + 25x = 470 25x - 10x = 470 - 10*23 15x = 240 x = 240/15 = 16. ANSWER. 16 quarters and the rest, 23-16 = 7 dimes.