Credit Sprint / Practice problems / Inflation rate with the CPI
Inflation rate with the CPI practice problems
Macroeconomics Unit 2. Try each one, then open the worked solution. The Credit Sprint app generates unlimited new versions with fresh numbers.
Problem 1.
The CPI rises from 225 to 243. What is the inflation rate?
Show solution
(243 − 225) ÷ 225 × 100 = 8%.
Problem 2.
The CPI rises from 205 to 211.15. What is the inflation rate?
Show solution
(211.15 − 205) ÷ 205 × 100 = 3%.
Problem 3.
The CPI rises from 225 to 231.75. What is the inflation rate?
Show solution
(231.75 − 225) ÷ 225 × 100 = 3%.
Problem 4.
The CPI rises from 190 to 195.7. What is the inflation rate?
Show solution
(195.7 − 190) ÷ 190 × 100 = 3%.
Problem 5.
The CPI rises from 200 to 220. What is the inflation rate?
Show solution
(220 − 200) ÷ 200 × 100 = 10%.
Problem 6.
The CPI rises from 180 to 185.4. What is the inflation rate?
Show solution
(185.4 − 180) ÷ 180 × 100 = 3%.