Answer:
I have my correct answers in the photo so just read from that :) <3
15 gallons of 35% peroxide solution contains 0.35 × 15 = 5.25 gallons of hydrogen peroxide. The rest of the volume is made up of 15 - 5.25 = 9.75 gallons of water.
If we add 
gallons of water to the solution, the amount of hyrdrogen peroxide in the solution stays the same, but the volume of water increases to 
gallons, and the total volume increases to 
gallons.
To get a concentration of 8% in this diluted solution, we add gallons of water such that
Solve for .
To get the desired concentration, one must add 50.625 gallons of water, and one will end up with a total volume of 65.625 gallons of solution.
Answer:
Step-by-step explanation:
Supplementary angles add up to 180°.
If the angle is x, its supplement is 180°-x.
x = (180°-x) - 78°
x = 51°
supplement = 180°-x = 129°
The angles are 51° and 129°
Let c represent the number of cars that the salesman has left to sell.
68 + c ≤ 125
68-68 + c ≤ 125 -68
c≤57
The solution is c ≤ 57. The salesman has at most 57 cars left to sell
Answer:
68 + c ≤ 125; c ≤ 57 cars or less left to sell.
