2640/825=3.2
There is need 4 gallons to cover 2640 sq ft.
80% of the fourth gallon can be used for other purposes after painting.
Answer:
y=521x+220
Step-by-step explanation:
he makes 521 per week, his income depends on the number of weeks worked.
The 220 is a one time thing, his grandma is not giving his 220 a week.
Answer:
75%
Step-by-step explanation:
Answer:
3x+4 = 5
3x = 5-4
3x = 1
x = 1/3
Since the value of x is found, next step is to substitute it to the x for 6x+7
Value of 6x+7:
6(1/3)+7
6/3+7
2+7
9
Answer: r=6.5
Step-by-step explanation:
-2r = -13
r = 13/2
r = 6.5
