Answer:
Amy's yearly salary in 2011 was $27,800
Step-by-step explanation:
we have
where
x ---> is the number of years since 2007
y ---> Amy's yearly salary in dollars
To find out what was her salary in 2011, first determine the value of x
substitute the value of x in the equation above
therefore
Amy's yearly salary in 2011 was $27,800
Using the fundamental counting theorem, it is found that 17,576,000 different license plates can be manufactured.
Fundamental counting theorem:
States that if there are n things, each with ways to be done, each thing independent of the other, the number of ways they can be done is:
In this problem:
Then:
17,576,000 different license plates can be manufactured.
To learn more about the fundamental counting theorem, you can take a look at brainly.com/question/24314866
ANSWER= 30 rides
STEP-BY-STEP EXPLANATION
y=mx+b
m= $0.5 (per ride)
b= $5 (the cost)
x(rides) and y(parents money)
y= 0.5 x + 5
20= 0.5 x +5
20 - 5 = 0.5 x
15=0.5x
x=
x=30 rides