2
QuizMultiple Choice

Simple Interest and Arithmetic Sequences — Quiz

Question 2 • Advanced Financial Algebra

A musician is practicing scales and wants to increase the time spent on each scale daily to improve their skill. If they start by practicing a scale for 5 minutes on the first day and increase the practice time by 2 minutes each day. What arithmetic sequence corresponds to the practice time from the second to the sixth day?

Answer
A
5,10,15,20 and 25
B
3,5,7,9 and 11
C
7,9,11,13 and 15
D
5,7,9,11 and 13

Explanation

The practice time starts at 5 minutes on day 1 and increases by 2 minutes each day. So days 2 through 6 are 7, 9, 11, 13, and 15 minutes. This matches choice C, “7, 9, 11, 13 and 15.”

AI-written and checked against the verified answer.

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