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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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d1i1m1o1n [39]

Answer:

C / (2 pi) = r

Step-by-step explanation:

C = 2 pi r

Divide each side by 2 pi

C / (2 pi) = 2 pi r/ (2 pi)

C / (2 pi) = r

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mafiozo [28]

Answer:

x^2 -10x+25

Step-by-step explanation:

(x-5)^2

Rewriting

(x-5)(x-5)

FOIL

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Combine

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maria [59]

Answer:

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Step-by-step explanation:

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Step-by-step explanation:

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