We know that
L=8 ft
W=2 ft
H=3 ft
[<span>surface area of the doll house]=2*[W*H]+2*[L*H]+2*[W*L]
</span>[surface area of the doll house]=2*[2*3]+2*[8*3]+2*[2*8]
[surface area of the doll house]=2*[6]+2*[24]+2*[16]
[surface area of the doll house]=12+48+32--------> 92 ft²
the answer is 92 ft²
He did not distribute correctly in the first step.
4(x+2)=30
4x + 8=30
He should have distributed the 4 to the 2 as well.
Answer:
2962
Step-by-step explanation:
2 8 8 8
+ 7 4
----------------
2 9 6 2