SOLUTION: Dear...
A finishes a paint job in two hours less than B. C paints as quickly as A and B together. They need to paint a room. C is late. After an hour of painting, C shows up. All
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Question 1073802: Dear...
A finishes a paint job in two hours less than B. C paints as quickly as A and B together. They need to paint a room. C is late. After an hour of painting, C shows up. All three together finish the job 3 and a half hours later, How long did take each painter to paint the room?
Answer by josgarithmetic(39618) (Show Source): You can put this solution on YOUR website!
PAINTER RATE
A
B
C
A and B paint for 1 hour;
A, B, and C paint for 3.5 hours, and the one whole job is finished.
A and B for 1 hour:
A, B, and C for 3.5 hours:
The SUM of those two expressions is 1
for ONE WHOLE PAINT JOB.
Set up the sum, solve for x, and then evaluate the time for each of A and C to do one job if alone. (or, their rates).
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