Answer:
0.66
Step-by-step explanation:
Given that a survey of athletes at a high school is conducted, and the following facts are discovered: 24% of the athletes are football players, 55% are basketball players, and 13% of the athletes play both football and basketball.
Probability for a randomly chosen person is either a football player or a basketball player
=Prob for football player + Prob for basketball player -Prob for both
= 
i.e. Probability reqd =0.66
Rational because it terminated
Given:
Volume of cubical tank =
cubic meters.
To find:
The length of a side of the water tank.
Solution:
The volume of a cubical tank is:

Where, a is the side length.
It is given that the volume of cubical tank is
cubic meters. So,


Taking cube root on both sides, we get


Therefore, the length of a side of the water tank is 2 meters.