Answer:
The Answer is: 1) 6.25 square feet. 2) Cost $75.00 of carpet.
Step-by-step explanation:
The perimeter is 122 inches. Let l be length and w be width:
2l + 2w = 122
The width is given as 25 inches:
2l + 2(25) = 122
2l + 50 = 122
2l = 72
l = 36
Area is equal to the length times the width:
a = l * w
a = 36 * 25
a = 900 square inches
Divide by 144 square inches to get square feet:
900 / 144 = 6.25 square feet.
Multiply the amount per square foot times the total cost:
$12.00 * 6.25 = $75.00
Hope this helps! Have an Awesome Day!! :-)