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Andreas93 [3]
3 years ago
5

A silk worm grows twice asd long as it was the day before .If the worm measures v40 mm on the 10 th day, on which day was it 2.5

mm long
Mathematics
1 answer:
Arte-miy333 [17]3 years ago
3 0

Answer:

On the sixth day (10 - 4), the worm was 2.5mm long.

Step-by-step explanation:

Giving the following information:

Future Value= 40mm

Present Value= 2.5mm

Number of periods (n)= ?

Growth rate= 100% per day

<u>First, we need to calculate the number of days it will take to grow from 2.5mm (PV) to 40mm (FV):</u>

<u></u>

n= ln(FV/PV) / ln(1+i)  

n= ln (40 / 2.5) / ln (2)

n= 4

It will take 4 days.

On the sixth day (10 - 4), the worm was 2.5mm long.

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