Answer:
C
You have to check which of numbers is the lowest.
Cheers :D
Answer:
a = 6, b = 3
Step-by-step explanation:
5a - 4 = 2a + 14
3a = 18
a = 6
6 = 2b
b = 3
Since you have an equation equal to both x and y, you can either substitute the equation equal to x for x or the equation equal to y for y.
x=y-1
y=4-2x
I would substitute the y in using 4-2x
x=(4-2x)-1
x=3-2x
3x=3
x=1
Then plug in x and solve for y
1=y-1
2=y
Divide 4/5 by 5/8 since that would tell you how many walls he can paint in an hour.
4/5 walls÷5/8 gallons=1.28walls/gallon.