Answer:
x=4
Step-by-step explanation: 64/16=4
300 dollars, 15x20 because they count any fraction as a foot, so is like you are going to buy 20 foot of carpet.
Answer:
70
Step-by-step explanation:
20x(1+150%)
28x(1+1.5)
28x2.5
70
3pi r 2 603.43 is the answer