Answer:
8/15
Step-by-step explanation:
-4/5 ÷ -3/2
Copy dot flip
-4/5 * -2/3
Multiply the numerators
8
Multiply the denominators
15
Put the numerator over the denominator
8/15
First, we have to know how much percentage the tip is from
the meal cost. So,
($12.45 ÷ $56.75 ) * 100 = 21.94%
Thus, it is above the standard 15%. It is a good day for
Lenicia! Keep it coming :)
Answer:
0.9641 or 96.41%
Step-by-step explanation:
Mean career duration (μ) = 88 weeks
Standard deviation (σ) = 20
The z-score for any given career duration 'X' is defined as:
In this problem, we want to know what is the probability that the professor's son's next career lasts more than a year. Assuming that a year has 52 weeks, the equivalent z-score for a 1-year career is:
According to a z-score table, a z-score of -1.8 is at the 3.59-th percentile, therefore, the likelihood that this career lasts more than a year is given by:
The answer is D Cause the amount of money they make per car plus the amount of money they make from tips times the amount of cars they wash and add them together should give you how much total money they made.