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kotegsom [21]
3 years ago
14

Sally can paint a room in 8 hours while it takes Steve 9 hours to paint the same room. How long would it take them to paint the

room if they worked​ together?
Mathematics
1 answer:
velikii [3]3 years ago
8 0
It would take them 17 hours if they worked together, but it could be 1 hour too.

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PLEASE HELP ASAP!!! I don’t know how to do this problem or where to start! How do I solve this?
Leto [7]

Answer:

W = 4.95

Step-by-step explanation:

You want to start by writing down what you know, and forming a system of equations.

L= length W= width

2L+2W=14.7    

L= 2.4

On the left side of the equation, you're adding all your side lengths, and on the right, is the total perimeter. (Also could be written L+L+W+W = 14.7)

You would then substitute L from the bottom equation into the top equation to get:

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Solving:

4.8+2w=14.7

W= 4.95

To check your answer simply add all the sides together and make sure it equals your perimeter. You can also plug W and L back into the original equation.

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