Answer:
a
Step-by-step explanation:
Im guessing you meant improper. This means that the numerator is greater than the denominator. An example is 11/4
Utilize inflation rate formula
Subtract the past date CPI from the current date CPI and divide your answer by the past date CPI. Multiply the results by 100. Your answer is the inflation rate as a percentage.
You could either:
a) Use the Pythagorean Theorem
b) Use Sine/Cosine/Tangent Inverse to find one of the angles, and then use that angle to find x.