SOLUTION: Rate of work problems: I have no experience with them and I was given the below problem without any explanation from my professor.
Problem:
Monica takes one hour to wash a car a
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-> SOLUTION: Rate of work problems: I have no experience with them and I was given the below problem without any explanation from my professor.
Problem:
Monica takes one hour to wash a car a
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Question 467979: Rate of work problems: I have no experience with them and I was given the below problem without any explanation from my professor.
Problem:
Monica takes one hour to wash a car and bill takes two hours. How long will it take them to wash one car together?
Thank you. Answer by ewatrrr(24785) (Show Source):
Hi,
Let x represent long it will take them to wash one car together
Question states*** Per hour the Equalizer
1/1 + 1/2 = 1/x |Multiplying thru by 2x so as all denominators = 1
2x + 1x = 2
3x = 2
x = 2/3 hr OR 40min
CHECKING our Answer***
