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3 years ago

14

It takes Paul 9 hours longer than Li Ming to paint a house. Working together they can do the job in 20 hours. How long would it

take Li Ming, working alone, to paint the house ?

1 answer:

Triss [41]3 years ago

3 0

Li Ming can paint the whole house in 10 hours

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3 years ago

-2x + 9x<br> What is the answer

Blababa [14]

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<u>Remove "x" and add</u>

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san4es73 [151]

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Step-by-step explanation:

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creativ13 [48]

Answer:

|-8|=8

|10|=10

Step-by-step explanation:

any negative number between the two slashes '||' equals to always a positive number

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