A farmer plants corn and wheat on a 180-acre farm. The farmer wants to plant three times as many acres of corn as wheat. Write a
system of linear equations that represent this situation. How many acres of each crop should the farmer plant?
1 answer:
C=number of acres of corn
w=number of acres of wheat
total is 180 acres
c+w=180
wants to plant 3 times as many corn as wheat
c=3w
subsitute 3w for c in other
c+w=180
3w+w=180
4w=180
divide boh sides by 4
w=45
sub back
c=3w
c=3(45)
c=135
135 acres of corn and 45 acres of wheat
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P = 2l + W
<h3>Answer is A </h3>
- Here the only basics of the equation solving are used.
- Just Cross multiply
