Answer:
The actual length of the room is 40 feet
Step-by-step explanation:
Given

Required
Determine the actual measurement of 
Represent the required actual measurement with x
i.e.

And we have:


Cross Multiply

Convert fraction to improper fraction



Multiply both sides by 2


<em>The actual length of the room is 40 feet</em>
1)Because if u add 8+4 which is 12 and u just leave the x with the 12 which is 12x which is ur answer.
2)if you multiply 4 and 2x or 4•2x which is 8x and you if u multiply 4 and 1 which is 4 and you are left with 8x+4 which is 12x.
The other numbe rwould be 12 as dad lol brought the answer would be 15
Answer:
40 cubic inches
Step-by-step explanation:
The Formula for Volume: Length x Width x Height (L x W x H)
4 times 2 times 5 = 40