Step-by-step explanation:

here ( + ) × ( - ) = ( - )




Equation for Kelli's earning = 20x + 100
Equation for Karl's earning = 25x + 50
Now, 20x +100 = 25x +50
25x-20x = 100-50
5x = 50
x = 10
So, your answer is 10 hours.
Hope this helps!
Answer:
Ray, Line, Transversal?, Plane, Segment
Step-by-step explanation:
Ok so you find the area of the yellow and the red and the area of the yellow you subtract it with the area aid the red that should give you the correct answer
3. Here we use the formula

And we have the following values given

So we will get

Question 4.
In this question , we have


Interest is the difference of amount and principal, that is
