The rate of interest is 25%
<u>Explanation:</u>
Given:
Principal, P = $2,000
Amount, A = $2500
Time, t = 1 year
Rate of Interest, r = ?
We know:

On substituting the value we get:


Therefore, the rate of interest is 25%
Think of sea level as 0 on number line
-13 + 6 - 15
Answer:
the horizontal are called x-axis, while the vertical are called y-axis
-129 is the anwser to ur problem