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Mary has 30 nickels and dimes worth $2.40. how many nickels does Mary have

Mary has 30 nickels and dimes worth $2.40. how many nickels does Mary have
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5 votes
Mary has 30 nickels and dimes worth $2.40. how many nickels does Mary have

User Zack Graber
by
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2 Answers

5 votes
mary has 12 nickels $2.40 - 30 dimes = 12 nickels
User Seperman
by
7.9k points
7 votes
n=nickels
d=dimes

n+d = 30
n+18 = 30
n = 30-18
n = 12 (number of nickels)

therefore Mary has 12 nickels
User Vadim Eisenberg
by
8.2k points
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