9x+12=5x+4
9x-5x=12-4
4x=8
x=8/4
x=2
The correct answer would be 61.32
If there are 70 chairs but only 20 rows then that means he will have to set up 3.5 chairs per row, or Brook could set up 14 rows with 5 chairs in each row.
Srry if that didn't help but that's what i got from that.
The answer is c. My dude good luck
Answer:
4+4+4
Step-by-step explanation:
4^3 means 4 cubed which is equal to 4 added three time
