Mr. Lutta's salary is sh. 42,000 per annum and increases by 13% each year. Calculate his total earnings after 15 years, rounded to the nearest thousands.

Question

Asked on April 24, 2026Mathematics

This mathematics problem involves applying core mathematical principles and formulas. Below you will find a complete step-by-step solution with detailed explanations for each step, helping you understand not just the answer but the method behind it.

Accepted Answer · 2026-04-24T13:15:03.802Z

Here are the solutions to the problems. Problem 4: The initial salary of Mr. Lutta is sh. 42,000 per annum. His salary increases by 13% each year. Determine his total earnings after 15 years. Give your answer to the nearest thousands. Step 1: Identify the type of progression. This is a geometric progression where the initial salary is the first term (A), and the annual increase of 13% means the common ratio (r) is 1 + 0.13 = 1.13. The number of years (n) is 15. We need to find the sum of the first 15 terms (S_15). Step 2:

Accepted Answer · 2026-04-24T13:15:03.802Z

Here are the solutions to the problems. Problem 4: The initial salary of Mr. Lutta is sh. 42,000 per annum. His salary increases by 13% each year. Determine his total earnings after 15 years. Give your answer to the nearest thousands. Step 1: Identify the type of progression. This is a geometric progression where the initial salary is the first term (A), and the annual increase of 13% means the common ratio (r) is 1 + 0.13 = 1.13. The number of years (n) is 15. We need to find the sum of the first 15 terms (S_15). Step 2:

Mr. Lutta's salary is sh. 42,000 per annum and increases by 13% each year. Calculate his total earnings after 15 years, rounded to the nearest thousands.

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Mr. Lutta's salary is sh. 42,000 per annum and increases by 13% each year. Calculate his total earnings after 15 years, rounded to the nearest thousands.

:

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