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adell [148]
3 years ago
14

A piggy bank contains $5.60 in nickels and dimes. The number of nickels is 8 less than 3 times the dimes. How many nickels and d

imes are there in the piggy bank? The piggy bank has nickels and dimes. NextReset
Mathematics
2 answers:
Fantom [35]3 years ago
8 0
There are 24 dimes and 64 nickles
Vlad1618 [11]3 years ago
3 0

Answer:

64 nickels and 24 dimes

Step-by-step explanation:

Let there be x nickels and y dimes

The number of nickels is 8 less than 3 times the dimes

i.e. x = 3y-8

Value of the coins = 5x+10y

= 560 cents (given)

Substitute x value in the second equation

5(3y-8)+10y = 560\\25y = 600\\y =24\\

Substitute in

x = 3y-8\\=64

There are 64 nickels and 24 dimes.

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