单项选择题
Questions 14-16 refer to the following graphs.
Let the lengths of the sides of a triangle be represented by x + 3, 2x - 3, and 3x - 5. If the perimeter of the triangle is 25, what is the length of the shortest side
A. 5
B. 6
C. 7
D. 8
E. 10
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单项选择题
Twenty children were sharing equally the cost of a present for their teacher. When 4 of the children decided not to contribute, each of the other children had to pay $1.50 more. How much did the present cost, in dollars
A. 50
B. 80
C. 100
D. 120
E. 150
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