Answer:
53 days
Step-by-step explanation:
A suitable probability calculator shows the 90th percentile to be 52.8 days, approximately 53 days.
Answer:
24 cars
Step-by-step explanation:
Given


Required
Determine the number of red cars
Number of red cars is calculated using:






Answer:
N(-2) =
-5 this is also equal to n=2.5
Step-by-step explanation:
multiply both sides by 2
-4n = -2n-5
add 2n to both sides
-2n = -5
divide both sides by -2
n=2.5
The first thing we must do for this case is find the number of total guitarists.
We have then:

We now look for the relationship between the number of guitarists playing jazz alone to the total number of guitarists.
We have then:

Where,
x: number of guitarists playing jazz alone
From here, we clear the value of x.

Then, the number of guitarists who play classical solo is:

Answer:
30 guitarists play classical solos in the contest
Perfectly correct. Two quarters do make a half :)