makaylawallace97 makaylawallace97

01-04-2020
Mathematics

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Bodhi has a collection of 175 dimes and nickels the collection is worth $13.30 what equation can be used to find n the number of nickels in the collection

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SaltySpark SaltySpark

01-04-2020

Answer:

84 nickels, 91 dimes

Step-by-step explanation:

d = # of dimes

n = # of nickels

0.1d + 0.05n = 13.3

d + n = 175

Now solving for n:

Lets multiply the first equation by 100 for ease

10d + 5n = 1330

n = 266 - 2d

d = 175 - n

Substituting it in:

n = 266 - 2(175 - n)

n = 84

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