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October 20, 2014

October 20, 2014

Posted by **ja'Sae** on Tuesday, May 7, 2013 at 5:35pm.

If 9 bags are purchased for a total cost of $36, how many three-pound bags were

purchased?

- math -
**PsyDAG**, Wednesday, May 8, 2013 at 1:23pmO + T = 9

T = 9 - O

2O + 5T = 36

Substitute 9-O for T in last equation and solve for O. Insert that value into the first equation and solve for T. Check by inserting both values into the second equation.

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