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15 Feb 2020, 19:16
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GMATBusters’ Quant Quiz Question -4
The price of shirts at Primark is defined as Euro (100+10x^2), where x is the number of shirts purchased. Bob purchased 5 shirts from the above shop. The average price of the shirt is:
A. 40
B. 50
C. 60
D. 70
E. 75
15 Feb 2020, 19:16
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The total price paid for 5 shirts can be found by putting x = 5 in cost function (100+10x^2),
Total price = 100+10(5^2)= 350
Average price per shirt = total amount paid/no of shirts = 350/5 = 70
Answer D
Total price = 100+10(5^2)= 350
Average price per shirt = total amount paid/no of shirts = 350/5 = 70
Answer D
shameekv1989
15 Feb 2020, 19:25
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The price of shirts at Primark is defined as Euro (100+10x^2), where x is the number of shirts purchased. Bob purchased 5 shirts from the above shop. The average price of the shirt is:
A. 40
B. 50
C. 60
D. 70
E. 75
Price for 5 shirts = \((100+10x^2)\) = \((100+10*5^2)\)=350
\(Average for 5 shirts = [m]\frac{Total}{5}\)[/m] = \(\frac{350}{5}\) = 70 -> Answer D
A. 40
B. 50
C. 60
D. 70
E. 75
Price for 5 shirts = \((100+10x^2)\) = \((100+10*5^2)\)=350
\(Average for 5 shirts = [m]\frac{Total}{5}\)[/m] = \(\frac{350}{5}\) = 70 -> Answer D
