Mathematics, 29.03.2021 20:20 dudedude1593
4 pencils and 2 markers costs $2 at the school store. How much does one pencil and one marker cost if 4 pencils and 4 markers costs $3?
Alexis's system:
4p + 2m= 2
4p + 4m=3
-2m=-1
Alexis's solution:
m = 1/2, p = 1/4
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4 pencils and 2 markers costs $2 at the school store. How much does one pencil and one marker cost i...
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