Write an equation that would allow you to solve the following problem: Marta’s jump rope is 10 inches shorter than three times the length of Dilbert’s rope. If both of their ropes laid together end-to-end measure 120 inches long, how long is Marta’s jump rope?
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Step-by-step explanation:
Write an equation that would allow you to solve the following problem: Marta’s jump rope is 10 inches shorter than three times the length of Dilbert’s rope. If both of their ropes laid together end-to-end measure 120 inches long, how long is Marta’s jump rope?
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Answer:
Let the length of Marta's rope be x and
the length of Dilbert's rope be y .then,
3y-x=10
x+y=120
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hopefully it's helpful
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