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A jar containing only nickels (n) and dimes (d) contains a total of 60 coins. the value of all the coins in the jar is $4.45. write and solve a system of equations to find the a…

A jar containing only nickels (n) and dimes (d) contains a total of 60 coins. the value of all the coins in the jar is $4.45. write and solve a system of equations to find the a…
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3 votes
A jar containing only nickels (n) and dimes (d) contains a total of 60 coins. the value of all the coins in the jar is $4.45. write and solve a system of equations to find the amount of nickels and dimes that are in the jar.

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User Dianna
by
7.7k points

1 Answer

6 votes
D=1.45/.05
D=29 DIMES.
60-29=31 NICKELS.
PROOF:
.05*31+.10*29=4.45
1.55+2.90=4.45
4.45=4.45
answered
User Karamell
by
8.6k points
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