Answer:
c=18
Step-by-step explanation:
54 divided by 9 is 6
6 times 3 is 18
It is 512 because you have to multiple 64x8=512 you should have figure that out and add 512+2=514 do you get it now ?
He needs to walk 16 hours to earn $168 dollars
X-y=1
x+y=3
You see the y's can cancel out. So add it together and you have:
2x=4
x=2
Now that you have x, plug it in to one of the equations to find y.
I will plug it into the first one.
(2)-y=1
-y=-1
y=1
