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Bunuel
For a certain farm, soybean production increased by 25 percent from year X to year Y, and the selling price of soybeans decreased by 25 percent from year X to year Y. If the entire soybean production was sold each year, approximately what was the percent change in the revenues from the sale of the soybeans from year X to year Y?

A. 56% decrease
B. 6% decrease
C. no change
D. 6% increase
E. 56% increase

We can assume 100 tons of soybeans were produced in year X, and the selling price of soybeans is $100 per ton. So in year Y, the soybean production was 125 tons but the selling price was $75 per ton.

We can see that in year X, the revenue was 100 x 100 = $10,000 and in year Y, the revenue was 125 x 75 = $9,375. We see that this is approximately a 6% decrease (if it were exactly a 6% decrease, the revenue in year Y would be $9,400).

Answer: B
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revenue=price*no of units
x=.75*1.25
x=.937 approx to 94 which is 6% decrease
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qty * selling price
= 1.25 * 0.75
~ 1.24 * 3/4 = 0.93

Therefore, a decrease of around 7%.
Ans: B, 6% decrease
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Bunuel
For a certain farm, soybean production increased by 25 percent from year X to year Y, and the selling price of soybeans decreased by 25 percent from year X to year Y. If the entire soybean production was sold each year, approximately what was the percent change in the revenues from the sale of the soybeans from year X to year Y?

A. 56% decrease
B. 6% decrease
C. no change
D. 6% increase
E. 56% increase

Year X -

Q = 10 ; P = 10 ; S = 100

Year Y -

Q = 12.5 ; Y = 7.5 ; S = 7.5*12.5 => 93.50

Thus, change in revenue is 100 - 93.50 = 6.50 , Answer must be (B)
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