Free Practice Question
PS · Problem Solving
555-605
Work Rate Problems
Machines A and B, when working together at their constant rates, can produce 600 nails in z hours. If Machine A can produce 600 nails by itself in w hours, how long will it take Machine B to produce 600 nails alone?
Answer Choices
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z/(z+w)
B
w/(z+w)
C
zw/(z+w)
D
zw/(z-w)
E
zw/(w-z)
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Explanation
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InaMay 16, 2024
thanksss
Details
Difficulty
555-605
Type
PS
Category