Share

## At 6:00 A.M., the temperature was 67 F. As a cold front passed, the temperature began to drop at a steady rate of 4 F per hour. Estimate, to

Question

At 6:00 A.M., the temperature was 67 F. As a cold front passed, the temperature began to drop at a steady rate of 4 F per hour. Estimate, to the nearest 15 minutes, how long it would take to reach freezing (32 F) if the drop in temperature continued at the same rate.

in progress
0

Mathematics
3 years
2021-09-04T02:12:27+00:00
2021-09-04T02:12:27+00:00 2 Answers
9 views
0
## Answers ( )

Step-by-step explanation:Temperature = 67F

Decrease per hour = 4F

Decrease per 15 minutes(60/15 = 4) = 4F/4 = 1F

Number of hours of decrease =

x67 –= 32

4x67 – 32 = 4x

35 =

4xxAnswer:initial temperature =67F

rate of decrease = 4F per hour

67-4k= 15

or 4k=52

k=52/4=13

it takes 13 hours

Step-by-step explanation: