Posted by **katy** on Saturday, April 20, 2013 at 1:55pm.

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?

- math -
**PsyDAG**, Saturday, April 20, 2013 at 2:26pm
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.

- math -
**rbowh**, Saturday, April 20, 2013 at 2:26pm
d = number of dimes

3d = number of nickels

d + 3d = 1.50

simplify and solve the equation for d and 3d

- math -
**rbowh**, Saturday, April 20, 2013 at 2:27pm
ooops, I misread question. Sorry

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