A=lw
l=10 feet
w=8 feet
A=8*10
A=80 feet
The diameter is the radius ×2
Answer:
.
It means that 673 of 9 inch tiles are required to cover an area of 400 square feet, when spacing the tiles a quarter inch apart.
Step-by-step explanation:
Given:
The function relating number of 9 inch tiles required and area to cover is:
Now, plug in 400 for to evaluate .
Therefore, Don required 673 of 9 inch tiles to cover an area of 400 square feet, when spacing the tiles a quarter inch apart.
You can cross multiply for this problem. So:
So K=35!
Hope this helps! :)
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