Answer:
B
Step-by-step explanation:
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.
Answer:
i would divide to 6 of each side of the equation which leadss tyo x+y=4
and just draw coordinate system to see all possible answers
Step-by-step explanation:
there are endless of answers unless there is a limiter