Here’s how to solve:
3x-15+-9
3x-24
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Since the area is 120 ft^2, and we know the length of the room is 15 ft, we can calculate the width.
120/15 = 8
To find the perimeter, we use the following formula
2l + 2w = P
2 (15) + 2 (8) = 46 ft
Answer:

Step-by-step explanation:

Answer:5
Step-by-step explanation:
20 divided by 4 equals 5