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
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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 = 14.55
Hello there I am still working on your question and I might correct what i have already written, so please wait. Thanks
1 Dime= $0.10 ......x
1 Nickle = $ 0.05.......y
the equation is 0.1x + 0.05y = 2.55
The number of dimes are x= 2y - 12
therefore replace x with 2y - 12
0.1( 2y-12) + 0.05y = 2.55
0.2y -1.2 + 0.05y = 2.55
0.25y = 3.75
y= 15 ( the number of nickles)
therefore, the number of dimes are;
x= 2(15) - 12
x = 30 -12
x = 18
the number of dimes are 18
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You can ignore first answer dear
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