The other x-intercept is:
(1/2, 0) OR (.5, 0)
I=prt
20=p X .05 X 5
20 = p X .25
20/.25 = p
80 = p
She started with $80
Answer:

Step-by-step explanation:
To find an equation of a line when given the slope and a point we use the formula

From the question we have

We have the final answer as

Hope this helps you
Answer:
0.6
Step-by-step explanation:
The x increases by 5, while y increases by 3
Lets use the method, which is
.
Keep in mind that x goes horizontally along the axis, while y goes vertically on the axis.
So plug the numbers in.
0.6
Hence, the constant proportionality is 0.6.