The pencils cost $0.15 each and the markers cost $0.30 each. In total, Sarah spent $7.50 on pencils and markers. How many pencils did Sarah buy?
+15069 The pencils cost 0.15 each and the markers cost 0.30 each. In total, Sarah spent $7.50 on pencils and markers. How many pencils did Sarah buy?
Hello Guest!
0.15⋅p=7.50$−0.30⋅m
p=f(m)=7.50−0.30⋅m0.15
Sarah can buy p=7.50−0.30⋅m0.15 pencils if she has selected m markers.
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