Answer:
Proportion- 1 to 21 or 1:21
Cranberry Juice- 147 ounces
Step-by-step explanation:
84/4 = 21
7*21 = 147
The answer is the second one; 15y^2–11y
Answer:
a. 
b. 
c. 
Step-by-step explanation:
a. The volume of water initially in the fish tank = 15 liters
The volume of brine added per minute = 5 liters per minute
The rate at which the mixture is drained = 5 liters per minute
The amount of salt in the fish tank after t minutes = x
Where the volume of water with x grams of salt = 15 liters
dx = (5·c - 5·c/3)×dt = 20/3·c = 

b. The amount of salt, x after t minutes is given by the relation




c. Given that in 10 minutes, the amount of salt in the tank = 25 grams, and the volume is 15 liters, we have;




Answer:28
Step-by-step explanation:
Answer:
7 to the power of 2 - 2 * 3 is equal to 43
Step-by-step explanation: