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January 29, 2015

January 29, 2015

Posted by **running wild** on Saturday, November 13, 2010 at 12:35pm.

- algebra -
**drwls**, Saturday, November 13, 2010 at 12:45pmWrite one equation for the total number sold and another for the total money received. Each equation will have two unknowns, the number sold of each type.

Then solve the two equations in two unknowns.

There comes a time when you have to attempt these yourself. There is no time like the present.

- algebra -
**hog tied**, Sunday, November 14, 2010 at 12:10pmHere is what I got.

3.61 * 38 = 137.18

2.64 * 12 = 31.68

137.18 + 31.68 = 168.86

wire bound graph paper notebook @ 2.64

bought 12

college ruled notebook @ 3.61 bought 38

did I do this right?

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