Question

The weather forecast predicts that overnight, the temperature will change by -3.25 degrees each hour. If the forecast is correct, by how much will

the temperature change in 6 hours and 30 minutes?

Answer 1

-21.125 °F

Explanation:

60 minutes = 1 hour

⇒ 6 hours 30 minutes = 6.5 hours

Given:

• rate of change = -3.25 °F per hour

⇒ Temperature change in 6.5 hours = 6.5 × -3.25

= -21.125 °F

Answer 2

-21.125°C

Change per hour:

• -3.25°C/hr

Total Time in Hours:

• 6 hours 30 minutes = 6.5 hours

Change In Temperature:

• 6.5 x -3.25°C

• -21.125°C