Math problem need help urgent

Mathematics
Tutor: None Selected Time limit: 1 Day

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

Jun 25th, 2015

Thank you for the opportunity to help you with your question!

Let x be the number of nickles

y the number of dimes

x+y=2.55

2x-12=y

y+x=2.55

y-2x=-12

subtracting the two equations

3x=14.55

x=14.55/3

x=4.85

y=2*4.85-12.

y=-2.3


Please let me know if you need any clarification. I'm always happy to answer your questions.
Jun 25th, 2015

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