SOLUTION: A farmer has 100 acres of land for wheat or veg. Each acre of wheat yields €400 and each acre of veg yields €500. He makes €42,000 . How many acres of crops did he sow ?
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-> SOLUTION: A farmer has 100 acres of land for wheat or veg. Each acre of wheat yields €400 and each acre of veg yields €500. He makes €42,000 . How many acres of crops did he sow ?
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Question 1050126: A farmer has 100 acres of land for wheat or veg. Each acre of wheat yields €400 and each acre of veg yields €500. He makes €42,000 . How many acres of crops did he sow ? Found 2 solutions by ikleyn, advanced_Learner:Answer by ikleyn(52874) (Show Source):
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A farmer has 100 acres of land for wheat or veg. Each acre of wheat yields €400 and each acre of veg yields €500. He makes €42,000 . How many acres of crops did he sow ?
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400x + 500*(400-x) = 42000.
One equation for one unknown. Simplify and solve for x, area for wheat in acres.
Solve: We'll use substitution. After moving 1*y to the right, we get: , or . Substitute that
into another equation: and simplify: So, we know that y=20. Since , x=80.
