2 wholes and 3/12 + 3/? = 2 wholes and 5/8 .what is the missing number ?
1 answer:
Basically you know that the 2 wholes from both sides cancel out.
Set up the equation, 5/8 = 3/12 + 3/x
3/x = 5/8 - 3/12
Set them to have a common denominator, 3/x = 15/24 - 6/24
3/x = 9/24
Simplify 9/24 and you will get 3/8
3/x = 3/8
Obviously this means x = 8
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Answer: $7
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D. The distributive property That is what jack used
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.8n+.2(150-n)=.6(150)
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