Free Practice Question
PS · Problem Solving
655-705
Work Rate Problems
If Sarah takes 20 minutes to consume a serving of potato wedges and Lisa takes 40 minutes for the same serving, how long will it take them to finish the serving if they alternate eating for one minute each, starting with Sarah?
Answer Choices
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24.5 mins
B
26 mins
C
26.5 mins
D
28 mins
E
30 mins
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Explanation
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Difficulty
655-705
Type
PS
Category