The daily high temperature of elk creek drops by 1.2°c every day. what is the net change in the daily high temperature after two calendar weeks?

16.8°C

Step-by-step explanation:

Given :The daily high temperature of Elk Creek drops by 1.2°C every day.

To Find:What is the net change in the daily high temperature after two calendar weeks?

Solution:

Since we are given that The daily high temperature of Elk Creek drops by 1.2°C every day.

1 week = 7 days.

So, 2 weeks = days

Temperature drops per day = 1.2°C

So, temperature drops in 14 days =

Hence the net change in the daily high temperature after two calendar weeks is 16.8°C.

-6 is the correct option from the above given options

x = -4

step-by-step explanation:

- 20 - 4(x + 3) = 4x

=> -20 - 4x - 12 = 4x

=> - 32 -4x = 4x

=> -32 = 4x + 4x

=> - 32 = 8x

=> -32/8 = x

=> -4 = x