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Question

One pen costs 0.25andonemarkercosts0.35. At those prices, what is the total cost of 18 pens and 100 markers?
  1. 39.5

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Solution

The correct option is A 39.5

Multiplying 0.25by18yields4.50, which is the cost of the 18 pens; and multiplying 0.35by100yields35.00, which is the cost of the 100 markers. The total cost is therefore 4 dollars fifty cents, plus, thirty five dollars, plus, thirty nine dollars and fifty cents. Equivalent decimals, such as 39.5or39.500, are considered correct. Thus the correct answer is $39.50 (or equivalent).

Note that the dollar symbol is in front of the answer box, so the symbol $ does not need to be entered in the box. In fact, only numbers, a decimal point and a negative sign can be entered in the answer box.


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