0.08x + 0.03y = 345, and to solve for each x and y, you can use the substitution method.
Answer:

Step-by-step explanation:
15y - 9 < 36 <em>add 9 to both sides</em>
15y < 45 <em>divide both sides by 15</em>
y < 3
9514 1404 393
Answer:
3/45
Step-by-step explanation:
To find the numerator, multiply the desired denominator by the fraction.
x/45 = 1/15
x = (45)(1/15) = 45/15 = 3
The equivalent fraction is 3/45.
For the problem, we are asked t o calculate the volume of the cylindrical vase and it will represent the amount of water that Mary should pour. For a cylinder, the volume is calculated as follows:
V = πr²l
V = π(3)²(8)
<span>V = 226.19 in³ water needed</span>