Question 550734
If 5 ppl can produce 64 surfboards in 4 days, how many surfboards can 8 ppl produce in 10 days?
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5 ppl * 4 days = 20 ppl-days to make 64 boards --> 3.2 boards/ppl-day
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8 ppl * 10 days = 80 ppl-days
80*3.2 = 256 boards