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 195 to 210.6. What is the inflation rate?

Show solution

(210.6 − 195) ÷ 195 × 100 = 8%.

Problem 2.

The CPI rises from 185 to 203.5. What is the inflation rate?

Show solution

(203.5 − 185) ÷ 185 × 100 = 10%.

Problem 3.

The CPI rises from 105 to 107.1. What is the inflation rate?

Show solution

(107.1 − 105) ÷ 105 × 100 = 2%.

Problem 4.

The CPI rises from 120 to 129.6. What is the inflation rate?

Show solution

(129.6 − 120) ÷ 120 × 100 = 8%.

Problem 5.

The CPI rises from 140 to 144.2. What is the inflation rate?

Show solution

(144.2 − 140) ÷ 140 × 100 = 3%.

Problem 6.

The CPI rises from 175 to 192.5. What is the inflation rate?

Show solution

(192.5 − 175) ÷ 175 × 100 = 10%.