2. 外语
  3. A rope 55 feet long is cut into two pieces. If one piece is 23 feet longer than the other, what is the length, in feet, of the s

A rope 55 feet long is cut into two pieces. If one piece is 23 feet longer than the other, what is the length, in feet, of the s

admin2013-02-19  71
问题 A rope 55 feet long is cut into two pieces. If one piece is 23 feet longer than the other, what is the length, in feet, of the shorter piece?
选项
答案16
解析 The correct answer is 16. To solve this problem, set up an equation to determine the length of the shorter piece, substituting x for the unknown, shorter length:
x +(x+23)= 55
2x+23 = 55
2x=32
x=16
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