The answer is 4.25
In the first step he never distributed the 1/12 to the 18. He only distributed to the 14
Answer:
negative 2.3
Step-by-step explanation:
Answer:

Step-by-step explanation:


Area = rectangle + triangle
A=(LxW)+(1/2 bh )
A=(20x10)+(1/2x20x4)
A=200+40
A=240