# A recording tape 500 m long is cut into two pieces,one of which is 130 m shorter than twice the length of the other.How long is the longer piece?

1
by anjmarie

2016-01-13T17:57:33+08:00
Let x = longer piece
2x-130 = shorter piece

x + 2x - 130 = 500
3x = 500 + 130

So that, the answer to your question is 210 m. (The shorter piece is 2(210) - 130 = 290 m)
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