04-06-2021
Mathematics

contestada

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?

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jennaresner52 jennaresner52

04-06-2021

Answer:

22?

Step-by-step explanation:

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gladysayanou gladysayanou

04-06-2021

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

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