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13% = 0.13 35%=0.35 45%=0.45 55%=0.55

Don was going to buy a basket ball. A basket ball is $10.78. There is a sale of 35% off, but for each extra ball the sale goes up 10% for each extra ball. Don wanted to buy two more for his friends. Calculate the price of 3 basket balls with the taxes.

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13% = 0.13 35%=0.35 45%=0.45 55%=0.55

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  1. Don was going to buy a basket ball. A basket ball is $10.78. There is a sale of 35% off, but for each extra ball the sale goes up 10% for each extra ball. Don wanted to buy two more for his friends. Calculate the price of 3 basket balls with the taxes.

  2. 13% = 0.13 35%=0.35 45%=0.45 55%=0.55 10.78 X 0.35=3.77 10.78 X 0.45=4.85 10.78 X 0.55=5.92 10.78 – 3.77=7.01 10.78 – 4.85=5.93 10.78 - 5.92= 4.86 + + = $20.11 7.01 X 0.13 =0.91 5.93 X 0.13= 0.77 4.86 X 0.13= 0.63 7.01 + 0.91=$7.92 5.93 + 0.77= $6.70 4.86 + 0.63=$5.49

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