Question

TWhen planning his crops, Farmer Sue knows that her 15 acres can support apples and pecans. She wants to make $8,500 from her crops. She can make $1,050 per acre of apples (the variable a) and $2,500 per acre of pecans (the variable p). Which equation below would be a constraint in her system of equations? Would it be A) 1,050a+2,500p =8,500 B) a+p= 15 C) a-p= 12 or D) 2,500p-1,050a = 8,500