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snow_lady [41]
3 years ago
12

5) Dan and Joan were able to clean the attic in 7 hours together, It takes

Mathematics
1 answer:
Contact [7]3 years ago
5 0

Answer:

9 hours im not really good at this but i hope i did my best ^.^ :)

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Answer:

17 and 10

Step-by-step explanation:

Write the problem as an equation.

a+b=27

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Where a and b are the two numbers you are trying to find. You could use any variables. Then solve.

b+(b-7)=27      Sub (b-7) for a

2b-7=27          Group like terms

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The answer is

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