You have a piggy bank containing a total of 107 coins in dimes and quarters. If the piggy bank contains $17.90, how many dimes are there in the piggy bank? There are ? dimes in the piggy bank.

Marcelo Mullins

Marcelo Mullins

Answered question

2022-07-26

You have a piggy bank containing a total of 107 coins in dimes and quarters. If the piggy bank contains $17.90, how many dimes are there in the piggy bank?
There are ? dimes in the piggy bank.

Answer & Explanation

Sandra Randall

Sandra Randall

Beginner2022-07-27Added 17 answers

Step 1
Let's say dimes = x
quartery = y
then, x + y = 107.
0.10 x + 0.25 y = 17.90
Step 2
10 x + 25 y = 1790
10 x + 25 ( 107 x ) = 1790
x = 59 , y = 48
There are 59 dimes.

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