Asked by katy

How would I solve this:

Mr. Merrill has 3 times as many nickels as dimes. The coins have a total of $1.50. How many of each coin does he have?
Answered by PsyDAG
n = 3d

5n + 10d = 150

Substitute 3d for n in second equation and solve for d. Insert that value into the first equation and solve for n. Check by inserting both values into the second equation.
Answered by rbowh
d = number of dimes
3d = number of nickels
d + 3d = 1.50

simplify and solve the equation for d and 3d
Answered by rbowh
ooops, I misread question. Sorry
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