# Math

To build a 2.5m by 3m deck, a local building supply store chargess 1000 dolars for materials, plus carpenter's wage of \$30/h. The store gives you an estimate of \$1480 for the total cost. How much time is estimated for the carpenter to build the deck

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1. Assuming no taxes, then the man-power charge is what is in excess of \$1000, or \$480. At \$30 an hour, \$480 will be equal to 480/30=16 hours.

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