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Mathematics
Algebra
Systems of Equations
Not including tax, a total of 19 pens and markers cost $11.50. The pens cost $0.25 each, and the markers cost $0.75 each. Write the system of equations that could be used to solve for the number of pens (p) and the number of markers (m) bought.
P+m=___
___p+___m=___
1 answer
P+m=19
0.25p+0.75m=11.50
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