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Does someone mind helping me with this question? Thank you!

Does someone mind helping me with this question? Thank you!-example-1

1 Answer

5 votes

Answer:

80 pennies

160 nickels

Explanation:

.01p + .05n = 8.80 multiply through by 100

p + 5n = 880

2p = n

substitute 2p for n is the bold equation

p + 5(2p) = 880

p + 10p = 880

11p = 880 Divide both sides by 11

p = 80

2p = n

2(80) = n

160 = n

Check:

(.01)(80) + (.05)(160) = 8.80

0.80 + 8 = 8.80

8.80 = 8.80 Checks

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