Jacquie hired a contractor to install a tile floor in her laundry room which measures 10.5 feet by 8 feet. the contractor informed her that the tiles cost $4.75 a square foot, he would charge $22 per hour, and it would take him 7.5 hours to complete the job. when the job was done, jacquie received a bill in the amount of $659.12 from the contractor which included an 8% sales tax. is the amount on the bill correct?

Question

Mathematics

Brown Sugar

25 March, 05:11

Jacquie hired a contractor to install a tile floor in her laundry room which measures 10.5 feet by 8 feet. the contractor informed her that the tiles cost $4.75 a square foot, he would charge $22 per hour, and it would take him 7.5 hours to complete the job. when the job was done, jacquie received a bill in the amount of $659.12 from the contractor which included an 8% sales tax. is the amount on the bill correct?

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Dahlia Steele · Answer 1

There are 3 types of cost for this problem: the cost for the area covered by the tiles, cost for hourly labor and the sales tax.

Cost of Area = (10.5 ft) (8 ft) ($4.75) = $399

Cost of Hourly Labor = ($22/h) (7.5 h) = $165

Sum = $399 + $165 = $564

Cost of tax = $564 (0.08) = $45.12

Total Cost = $564 + $45.12 = $609.12

So, the amount of the bill is incorrect.