A piece of yellow yarn was 230 inches long. After 90 inches had been cut from it, the piece of yellow yarn was twice as a long a blue yarn. At first how much longer was the yellow yarn than the blue yarn?

Question

Kian Maynard

English

11 November, 19:30

A piece of yellow yarn was 230 inches long. After 90 inches had been cut from it, the piece of yellow yarn was twice as a long a blue yarn. At first how much longer was the yellow yarn than the blue yarn?

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Martha Petersen · Answer 1

It doesn't make sense to talk about one "price" being twice as long as another! Is it possible that this should be "the piece of yellow yarn was twice as long as a piece of blue yarn?" If so, "after 90 inches has been cut" from a piece 230 inches long, it will be 230 - 90 = 140 inches long. Since that is "twice as long a piece of blue yarn", the blue yarn is 140/2 = 70 inches long. So, initially, the piece of yellow yarn was 230 - 70 = 160 inches longer than the piece of blue yarn.