In a bag, there are red counters, blue counters and white counters. A counter is taken at random from the bag.
The table shows the probability of the counter being red and blue.
Complete the table to show the probability that counter will be white.
Colour: Red Blue White
Probability: 0.5 0.3 ???

second option.

Step-by-step explanation:

Let be "x"  the integer represents Gemma’s position with respect to sea level.

You know that the sea level is 0.

The exercise indicates that Gemma begins the dive 4 feet above the sea level. This means that this level is:

Therefore, since Gemma descends 28 feet from the initial positions, you know that "x" is: