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One pen costs $0.25 and one marker costs $0.35. At those prices, what is the tot
One pen costs $0.25 and one marker costs $0.35. At those prices, what is the tot
游客
2025-02-24
10
管理
问题
One pen costs $0.25 and one marker costs $0.35. At those prices, what is the total cost of 18 pens and 100 markers?
$______
选项
答案
39.50
解析
Multiplying $0.25 by 18 yields $4.50, which is the cost of the 18 pens; and multiplying $0.35 by 100 yields $35.00, which is the cost of the 100 markers. The total cost is therefore $4.50 + $35.00 = $39.50. Equivalent decimals, such as $39.5 or $39,500, 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.
This explanation uses the following strategy.
Strategy 1: Translate from Words to an Arithmetic or Algebraic Representation
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