SOLUTION: A jar containing only nickels and dimes contains a total of 51 coins. The value of all the coins in a jar is $3.80. How many dimes are in the jar!

Question 890654: A jar containing only nickels and dimes contains a total of 51 coins. The value of all the coins in a jar is $3.80. How many dimes are in the jar!

Answer by JulietG(1812) (Show Source): You can put this solution on YOUR website!
If all 51 coins were dimes, the total would be $5.10
The actual total is $3.80, a difference of $1.30
The difference between a nickel and dime is .05
1.30 / .05 = 26
26 of the coins are nickels. Therefore, 25 are dimes (51-26)
26 * .05 = $1.30
25 * .10 = $2.50
Total = $3.80

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