We can subtract the acres of corn from the acres of wheat.

She planted 3 1/4 more acres of wheat than corn.
Answer:
(3,9)
Step-by-step explanation:
u=(1,3) and v=(2,6),
u+v = (1+2, 3+6)
=(3,9)
Answer: $9 per hour
Step-by-step explanation:
$36 divided by 4 hours of work = $9 per hour
2x+3(5-x)-12=4(x+2)
Distribution property:
2x+15-3x-12=4x+8
Add like terms:
-1x+3=4x+8
Add 1x to both sides:
3=5x+8
Subtract 8 from both sides:
-5=5x
Divide by 5 on both sides to get x by itself:
x= -1