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iVinArrow [24]
3 years ago
13

Sennee cut a ribbon into 3 equal pieces . Then she cut 5 inches off one piece . That piece is now 3 inches long. What was the le

ngth of the original ribbon?
Mathematics
1 answer:
ratelena [41]3 years ago
4 0
Each piece is x inches long. If she cut 5 inches from x, then it's now x-5 inches long.

This is equal to 3 inches (given) so equate the two expressions and isolate x

x-5 = 3
x-5+5 = 3+5
x = 8

Each piece is 8 inches long. There are 3 pieces. Therefore the original ribbon was 24 inches long (8*3 = 24). 
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Answer:

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5 0
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(40 points to best answer) (answer ASAP)
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Answer:

x =5

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We can use proportions to solve this problem.  Put the side of one triangle over the same side of the other triangle.

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3 years ago
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