Answer:
Multiplication.
Step-by-step explanation:
Answer: 315 square feet is needed for carpeting and It costs $2835.
Step-by-step explanation:
Since we have given that
Length of room = 21 feet
Width of room = 15 feet
As we know the formula for "Area of room ":
Hence, 315 square feet is needed for carpeting.
Cost of per square foot of carpeting = $9
Total cost will be
Hence, it costs $2835.
75 = x*300
75 = 300x
x = 300/75
x= .25
I hope that's help !