Given that there are three spotted Pacific banana slugs for every four non spotted Pacific banana slug(s) in Arcata's community forest, let xx represent the probability of drawing a single spotted Pacific banana slug from a single draw of both varieties of spotted and non spotted slugs.

The probability of selecting a single spotted Pacific banana slug will be .

Step-by-step explanation:

There are three spotted Pacific banana slugs for every four non spotted Pacific banana slugs.

There are three  spotted Pacific banana slugs in every group of 7 Pacific banana slugs.

There are four non spotted Pacific banana slugs in every group of 7 Pacific banana slugs.

Therefore the probability of selecting a single spotted Pacific banana slug will be

= .

The probability of selecting a single non spotted Pacific banana slug will be = .

$54.99

step-by-step explanation:

$54.99 includes 500 min. if she does not exceed 500 min then her bill is $54.99