juliecoco9090
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Tim can paint three 10 ft. by 12 ft. walls in 4 hours. He has to paint his house, and it has 9 walls this size that need to be painted. If he starts at 10:00 a.m., about what time will Tim finish?
A. 9:00 p.m.
B. 9:30 p.m.
C. 10:00 p.m.
D. 10:30 p.m.

Respuesta :

tinajoca86
It would take him 12 hours, so he would finish at 10 p.m.

Answer:

C. 10:00 p.m.

Step-by-step explanation:

Since it is given that Tim is taken 4 hours time to complete painting in 3 walls.

Thus, time taken to complete painting in one wall is: [tex]\frac{4}{3}[/tex] hours

No, Tim has to complete painting in 9 walls.

Thus time taken to complete painting in 9 walls = [tex]\frac{4}{3}\times 9 = 12 \ hours[/tex]

Also since he start his work at 10:00 a.m.

So he has to work till 10:00 a.m. + 12 hours = 10:00 p.m.

Hence Option C is correct.

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