my 4th grader needs help to solve: A piece of yellow yarn was 230 inches long....

[snico]

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

 

[Deleted member 4993]

A piece of yellow yarn was 230 inches long. After 90 inches had been cut from it,

the price of yellow yarn was twice as long as a price of blue yarn.

At first, how much longer was the yellow yarn than the blue yarn

Are the price per unit length (say inch) of each yarn same?

 

[HallsofIvy]

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

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.

 

[stapel]

My 4th grader needs help to solve:

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

I'll assume that "price" is a type for "piece". Please have the fourth-grader reply with his/her thoughts and efforts so far, so we can see what's going on and where s/he is getting stuck. For instance, s/he started by subtracting the 90 from the 230. Then s/he noted that this value was twice the value of the blue. From this, s/he found the value of the blue. And then... what?

Thank you!