Answer:
9
Step-by-step explanation:
57 + 32x equals 435 - 10x
42 x equals 378
x equals 9
Answer:
The answer is $345.60
Step-by-step explanation:
12 x 18 room = 216 square feet
216 x $1.60 = 345.60
It will cost you $345.60 to cover the room.
A. $90
150 x .40= 60
150-60=90