Question

The temperature of a pot of hot water is 200.5. The temperature of the water decreases 3.5 per minute. What is the temperature of the water after 15 minutes?

Answer 1

Answer:

The temperature of the liquid 15 minutes later is $151.5$

Step-by-step explanation:

This is an example of arithmetic progression

We need to find 15 th term

Here

$a=200.5\\\\d=-3.5\\\\t_{15}=200.5+(15-1)\times-3.5\\\\=151.5$