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Startseite » Forum » why multiplying by 100
why multiplying by 100
Schüler
Tags: Mathematik
 
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Hi, I am in doubt about a step in the solution. A 3-foot-wide wood deck will be built around a rectangular-shaped pool that measures feet by feet. The resulting shape is also rectangular. If the lumber costs dollars per square yard, what is the cost of the wood for the deck? there is a step in which the teacher multiplies by the result of the subtraction of the internal rectangle and the outside rectangle. why does he have to multiply the ft^2 by ? I see he doesn't multiply by dollars ( the cost of the lumber). why? is it because he wants to take ft^2 into square yards? Vielen Dank für Ihre unschätzbare Hilfe. Für alle, die mir helfen möchten (automatisch von OnlineMathe generiert): "Ich möchte die Lösung in Zusammenarbeit mit anderen erstellen." |
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show the calculation in full context... |
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area to be covered: 340$ |
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