1 gallon cost $15
1 quarts cost $4
1 quarts = 1/4 gallon
15x for number of gallon cans
2 cans at $4 each = $8
15x + 8 = 53
Subtract 8 from both sides:
15x = 53-8
15x = 45
Divide both sides by 15:
x = 45/15
x = 3
She bought 3 gallon cans of paint
Plus she bought 2 quart cans, which is equal to a half gallon.
She bought a total of 3.5 gallons of paint.
2x + 9 = 5x - 12
2x - 5x = - 1- 9
- 3x = - 21
x = 21/3
x = 7
Y = 60°
Answer:
log 5 + log 2 = 1
Step-by-step explanation:
Divide each term by - 1/4 first
Now facor out - 1/4