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sesenic [268]
3 years ago
14

20 points please help!!

Mathematics
1 answer:
Amanda [17]3 years ago
6 0

Answer:

3/7+r = 13/15

r=46/105

Step-by-step explanation:

Given ribbon of her project= 13/15

Used 3/7

left=r

3/7+r = 13/15

r=13/15 - 3/7

r=46/105

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