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Joanie has 15 hair ribbons. She has 7 less hair ribbons than her friend, Sara. Which equation

can be used to determine the number of hair ribbons Sara has, s?
S-7 = 15
7 - S =15
7s = 15
S + 7 = 15

User Hjaltij
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1 Answer

3 votes
S+7=15 is correct I believe
User Outkkast
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