Answer:
16
Step-by-step explanation:
3x-2x=8
x=8
QR=8*2=16
3.5g+12.2 is the simplified expression I believe
Answer
-3
Step-by-step explanation:
x=4
4-5=-1
x=3
3-6=-2
-1+-2=-3
There are 60 bricks in a stack 20 feet high.
2x10=20
If you multiply the 2 by 10, you have to multiply 6 by 10.
6x10=60
So if there are 6 bricks in a 2 feet high stack, there are 60 bricks in a 20 feet high stack.