SOLUTION: Betty has 10 more dimes than quarters. If she has $3.45, how many quarters does she have and how many dimes does she have?
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Question 174674: Betty has 10 more dimes than quarters. If she has $3.45, how many quarters does she have and how many dimes does she have?
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
Betty has 10 more dimes than quarters. If she has $3.45, how many quarters does she have and how many dimes does she have?
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Let # of quarters be "x"; their value is 25x cents
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The # of dime is "x+10" ; their value is 10(x+10) = 10x+100 cents
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Equation:
value + value = 345 cents
25x + 10x+100 = 345
35x = 245
x = 7 (# of quarters)
x+10 = 17 (# of dimes)
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Cheers,
Stan H.
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