SOLUTION: I have a problem how to set up word problems example do i multiply or divide when to add or subtract etc. the question is tractors a,b,c,d,are identical and are pulling identical p

Question 857421: I have a problem how to set up word problems example do i multiply or divide when to add or subtract etc. the question is tractors a,b,c,d,are identical and are pulling identical planting machines. Working together a,b, and c can plant 270 acres of soybeans in 3 hours. At this rate, how many acres can a,b,c, and d, all working together, plant in 5 hours. Can you please show me how to start and explain how you got the answer

Answer by josgarithmetic(39620) (Show Source): You can put this solution on YOUR website!
Each of the four tractors plant at the same rate. You are given THREE of these identical tractors plant 270 acres in 3 hours. Again since these tractors are identical and work at the same rate each, the acres/hour rate is three times bigger than for just a single tractor.

T is the rate of 1 tractor.
You have in units of acres per hour.
-

acres per hour, for ONE tractor.
-
Now, your question is like 4T for all four of these identical tractors; and you want to know how many acres are planted in 5 hours.
acres
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