The way you find area is multiplying width times height, so you have to multiply 15 by 4 which equals 60. Therefore the answer is 60
Answer:
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Step-by-step explanation:
Answer:
how much wood do you need
Answer: 
Step-by-step explanation:
Remember the logarithms properties:

Then,simplifying:

Apply base 8 to boths sides and then solve for "x":
