SOLUTION: Robert has 50 coins, all 5 cent and 10 cents pieces, amounting to $3.50. By using an equation, find how many of each coin he has.

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Question 899379: Robert has 50 coins, all 5 cent and 10 cents pieces, amounting to $3.50. By using an equation, find how many of each coin he has.
Answer by ewatrrr(24785)   (Show Source): You can put this solution on YOUR website!
 
Hi
Let x represent the amount of the larger coin, the Dime
CENTS makes Sense
10x + 5(50-x) = 350 cents
5x = 100
x = 20, number of Dimes. 30 Nickels
And...
200 + 150 = 350 0r $3.50

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