# math

Jason is considering purchasing a new machine to make plastic silverware. The machine produces 1,000 pieces of silverware in two hours. One box contains 50 pieces of silverware and sells for \$3.00.

If the machine costs \$9,000, and runs for 24 hours a day, how many days will it take the machine to make enough silverware to pay for itself?

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1. The machine makes 12000 pieces per day. So, to pay for itself in x days, you need

12000/50*3.00*x = 9000

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2. 12000 pieces are made in 24 hours

12000 pieces divided into 50 pieces because that gives you how many boxes you will need

12000/50= 240 boxes

if one box sells at £3.00

Then 240 boxes X £3.00 = £720.00 pound per day the machine will make.

£9000/720.00= 12.5 Days this is how long the machine will take to pay for itself

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3. well worked but the question was tricky

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