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3 years ago

HELP HELP HELP Sally can paint a room in 4 hours. Joe can paint a room in 6 hours. How

Mathematics

2 answers:

Dmitry [639]3 years ago

6 0

Answer:

2 hrs, 24 min

Step-by-step explanation:

Sally: in one hour, she can paint 1/4 of the room.

Joe: in one our, he can paint 1/6 of the room

Hour one: 1/4+1/6=3/12+2/12=5/12

1÷5/12=1*12/5=12/5

12/5= 2 & 2/5 hours, or 2.4 hours, or 2 hrs 24 minutes

Vesnalui [34]3 years ago

3 0

Answer: 2.4 hours

Step-by-step explanation:

1/4 1/6

LCM

3/12+2/12=5/12 repricical 12/5 =2.4

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