So when X is 0, the area of the pool is 1200. That makes A and C impossible... then you can plug in numbers...say the boardwalk is 1 ft wide, add 2 to each dimension and plug in 1 for X. (You're adding 2 because there is a tile on either side of each dimension, including corners).
32x42=1344=4+140+1200
Therefore the answer is B.
The bill after applying the coupon = 31.84*(85%) = 27.064
so each of them will pay : 27.064/3 = $9.021
So you are trying to find out how many minutes Brain was billed for, so:
$18.41 - $5 =$13.41
since he gets billed 9 cents a minute he has to pay $13.41!!
Answer:
2,4
Step-by-step explanation:
