The answer is 460
1. 23 ones is the same as 23
2. 2 tens is the same as 20
3. 23 ones x 2 tens is the same as 23
x20
________
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300,000,000+4,000,000+800,000+400
Answer: Option 'd' is correct.
Step-by-step explanation:
Since we have given that
Number of hours of pop music = 3
Number of hours of classical music = 2
According to question, Every month onwards, the hours of pop music in her collection is 5% more than what she had the previous month. Her classical music does not change.
Rate of increment = 5% = 0.05
Let the number of months be 'x'.
So, our required function becomes,

Hence, Option 'd' is correct.