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| A tire dealer sells 2 tires for as much as he paid for 3 tires. He paid $240 for a dozen tires. What is the total profit on 12 tires?$120 $180$240 $360$385What will the last payment be to pay off a $1,250 computer plus 8% sales tax with monthly payments of $120?$10 $11$12 $20$30 |
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| $240/12 tires paid by the dealer = $20 per tire2 tires sell for $60 or $30 each, minus $20 you get $10 profit.So 12 tires = $120 profit.$1250 + 8% of 1250 (or 100) = 1350$120 a month gets you up until 1200 (or 120x10), 1320, and a $30 payment the last month. |
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| 1.2 tires for as much as he paid for 3 tiresThis means if he purchases 12 tires, he will see 8 for that much price and rest of 4 is his profit$240 for 12 tires purchase$240 for 8 tires saleOther 4 tires he can make profit of (240/8)*4 = 120$2.tax = 1250*8/100 = 100 $Total amount = 1250+100 = 1350there will be 11 instalments of 120 $ each and last payment 1350 -11*12 = $30Hope this helps ! |
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| Paid $240 for 12tires$240 / 12tires = $20/tirePaid for 3 tires = $20/tire * 3 tires = $60Sells 2 at $60 = $60 / 2 tires = $30/tireProfit = $30/tire - $20/tire = $10/tireSold 12 tires, Profit = $10/tire * 12tires = $120Tax: $1250 * 8% = $1250 * 0.08 = $100Total Price = $1250 + $100 = $1350Payment = $120/monthNumber of months = $1350 / $120/month = 11.25 monthsRound down to 11 months at $120 = $1320Leftover for month 12 = $1350 - $1320 = $30 |
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