SOLUTION: Newgy has twice as many nickels as dimes and four times as many pennies as nickels. if she has a total of $2.80, how many of each coin does she have ?

Question 548721: Newgy has twice as many nickels as dimes and four times as many pennies as nickels. if she has a total of $2.80, how many of each coin does she have ?
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
Newgy has twice as many nickels as dimes and four times as many pennies as nickels. if she has a total of $2.80, how many of each coin does she have ?
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Let # of dimes be "x":
Then # of nickels is "2x":
And # of pennies is "8x":
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Equation:
10x + 5(2x) + 8x = 280 cents
28x = 280
x = 10 (# of dimes)
2x = 20 (# of nickels)
8x = 80 (# of pennies)
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Cheers,
Stan H.
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