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Mary's sister is seven years older than Mary. Their combined ages add up to 35 how old is Mary? Sorry problem by writing in solving an equation!! Please help!!!!
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Jul 10, 2018
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Mary's sister is seven years older than Mary.
Their combined ages add up to 35 how old is Mary?
Sorry problem by writing in solving an equation!!
Please help!!!!
Mathematics
middle-school
Krishnang K Dalal
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Krishnang K Dalal
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35-7 which would equal 28, but that answer wouldn't be exactly correct, as this isn't in correct formation. An equation would be 2x + 7 = 35.
35-7= 28 divided by 2(2x) would equal 14
So Mary is 14 and her sister is 21.
21 + 14 equals 35
VKD
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Jul 16, 2018
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VKD
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