Description
Logan has $2.55 in dimes and nickles. How many dimes does he have if there are 12 less than double the number of nickles
Explanation & Answer
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let dimes be x and Nickel be y
Dimes are 12 less than double the number of nickles
therefore, dimes x = 2y - 12
the sum of nickel and dimes (x + y = $2.25)
replace x with (2y - 12) to be
(2y - 12) + y = 2.55
3y-12= 2.55
3y = 14.55
y= 14.55/3
y= 4.85
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