Find how many acres of each the farmer should plant

Question

A farmer uses 738 acres to plant corn and sunflowers . The profits will be the greatest if the farmer plants 250 acres more of corn than sunflowers of . Find how many acres of each the farmer should plant.

Answer 1

C + S = 738

C =250 + S

250 + S + S = 738

2S = 738 -250 = 488

S = 488/2 = 244 acres for sunflowers

C = 244+250 = 494 acres for corn

244+494 = 738