Answer:
The value of x is 3.
Step-by-step explanation:
Matthew earned 7500 of 15000, which is exactly half the total amount, meaning that the fraction corresponding to his earnings is 1/2.
Rate of 5:2:x, with number 5 corresponding to Matthew, mean that his fraction of the earnings, in function of x is given by:

Both fractions are equal, so:

Applying cross multiplication:



The value of x is 3.
Answer:
The value of f(5) is 3.2.
Step-by-step explanation:
It is given that f(1) = 3.2 and

Substitute x=1 in the above equation.


Substitute x=2 in the given equation.


Substitute x=3 in the given equation.


Substitute x=4 in the given equation.


Therefore the value of f(5) is 3.2.
Step-by-step explanation:
c bc I know I took this last year
It went up 200% from 2001 to 2005