求解一道GMAT数学题Note: Figure not drawn to scale. The figure shows a square patio surrounded by a walkway of width x meters. If the area of the walkway is 132 square meters and the width of the patio is 5 meters greater than the width of the
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求解一道GMAT数学题Note: Figure not drawn to scale. The figure shows a square patio surrounded by a walkway of width x meters. If the area of the walkway is 132 square meters and the width of the patio is 5 meters greater than the width of the
求解一道GMAT数学题
Note: Figure not drawn to scale.
The figure shows a square patio surrounded by a walkway of width x meters. If the area of the walkway is 132 square meters and the width of the patio is 5 meters greater than the width of the walkway, what is the area of the patio, in square meters?
A. 56
B. 64
C. 68
D. 81
E. 100
最大的问题矛盾在于 patio surrounded by a walkway 然后the width of the patio is 5 meters greater than the width of the walkway 个人感觉两句话矛盾很大,哪位高手能先用中文把题目翻译下再给出解答 多谢
求解一道GMAT数学题Note: Figure not drawn to scale. The figure shows a square patio surrounded by a walkway of width x meters. If the area of the walkway is 132 square meters and the width of the patio is 5 meters greater than the width of the
题中就是说有一个正方形的平台,在其周围有一圈宽为X米的过道（过道将正方形平台包围）,并且告诉过道的总面积是132,正方形平台的边长比过道的宽度要宽上5米,问你正方形平台的面积.
你只要设过道的宽度是X,那么平台的边长（即正方形的边长）就是X+5.
这时候你再按照题意画出个图就更方便你解题了,方程为：
2（3X+5)X+2(X+5)X=132. 解得X=3,面积就为64