Question

3. Sam has a total of 22 quarters and nickels. The coins total value is $2.90. How many quarters and nickels does he have?​

Answer 1

2.90=q(.25)+n(.05)
whats q?
q=22-n
2.90=(22-n)(.25)+n(.05)
solve for n...
n=13
so we have 13 nickels
q=22-13=9

Answer 2

22?

Explanation: