Answer:
31.5 hours studying English
Step-by-step explanation:
2 math hours = 3 english hours
21 math hours = ? english hours
21/2 = 10.5
10.5 * 3 = 31.5
Answer:
Step-by-step explanation:
The volume of a cylinder is given as:
Since the diameter is , the radius is .
Therefore, the volume of this cylinder is:
, using as requested in the problem.
Since the tank is emptied at a constant rate of , it will take
to empty the tank.
Step-by-step explanation:
<u>Step 1: Cross Multiply</u>
<u>Step 2: Divide both sides by 4</u>
Answer:
20
20 = 1 x 20
100 = 5 x 20