Algebra - Ch. 2: Word Problem (24 of 46) Type 8: Rate of Doing Work: Ex. 1

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In ths video I will solve Type 8 of Example 1 word problem: Jeff can paint a garage in 6 hours. Jim can paint the same garage in 4 hours. How fast can they paint it if they work together?

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Doc, Also a shorter math method with two working together is the same as product over sum in electronics in calculation for equivalent resistance. Thanks for your excellent videos.

aliso-pvll
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Wrong answer. The question asks ‘how fast’. That is a rate ‘r’ . Should have solved for ‘r’. That is, how many garages per unit of time.

zigmaex