SOLUTION: Technological devices in a farming made it possible to increase the crop of potatoes from 1 acre to 4 tons. As a result, from a field of 320 acres 640 tons of potatoes more were co

Question 1076807: Technological devices in a farming made it possible to increase the crop of potatoes from 1 acre to 4 tons. As a result, from a field of 320 acres 640 tons of potatoes more were collected than before of 400 acres. How many tons of potatoes were collected before the new technology, and how many after?
Answer by jorel1380(3719) (Show Source): You can put this solution on YOUR website!
Now, 320 acres yields 320*4, or 1280 tons.
1280-640=640
640/400=1.6 tons per acre.
Today: 320 acres=1280 tons
Before:320 acres=512 tons
Before the new technology,320 acres yielded only 512 tons; whereas now, 320 acres yields 1280 tons. ☺☺☺☺
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