A.230 B.270 C.300 D.330

Mathematics

1 answer:

liberstina [14]2 years ago

8 0

Best way to address this problem is to derive a linear equation representing this situation. We see that if x increases from 1 to 2, the weight of papers collected increases from 30 to 60 (lb). Thus, the slope of this line is

60-30
--------------- = 30 lb/ week
2-1

Then weight - 60 = (30 lb/week)(x - 1), or weight = 60 + (30 lb/wk)(x-1).

After 10 weeks, Ben would have collected 60 + 30(10-1) = 60 + 270 lb, or 330 lb (answer)

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