Answer:
decimal
Step-by-step explanation:
Before using the rate given as a percentage in simple interest formula, you must first convert it to decimal.
This helps in simplifying the work and help the calculation.
Simple interest =
P is the principal
R is the rate
T is the time
The rate is taken to decimal and inserted into the problem.
Given
Required
First, calculate
We have:
This gives:
Substitute
Split
This gives
That would be 2/7
Using substitution. x^2 +x+1 at 1 is 7
sqrt4 is 2
2/7