In a change jar, Tom has nickels and dimes. The number of nickels is two times the number of dimes and the total amount of money in the jar is $1.20. How many dimes are in the jar?

Question

wolf1728 · Answer

A) n = 2d
B) .05n + .1d = 1.20
from equation A we can substitute
.05 * 2d + .1d = 1.20
.1d + .1d = 1.20
.2d = 1.20
d = 6
nickels = 12

anonymous · Answer

thanks that means alot man dream big and never be anyone but you!

wolf1728 · Answer

u r welcome

anonymous · Answer

no i mean it means alor man! your my hero!