The present temperature is 5°C. The weather forecaster expects the temperature to fall 8 degrees during the night. How cold will it get?

A. -3°C

B. 3°C

C. -13°C

D. 13°C

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-3° C

Step-by-step explanation:

Given:

The present temperature is 5°C.

The weather forecaster expects the temperature to fall 8 degrees during the night.

Question asked:

How cold will it get?

Solution:

Final temperature will be = The present temperature - Temperature expected to fall during night

Final temperature will be = 5° C - 8° C ( + - = - that's why subtracted)

                                          = -3° C

Note:-  ( Sign will be of the bigger number that's why negative sign is here.

Thus, it will be -3° C cold.

walter needs to make at least 5 more cookies but no more than 40. 5 ≤ x ≤ 40

step-by-step explanation:

20 ≤ x + 15 ≤ 55

subtract 15 from all parts

20-15 ≤ x + 15-15 ≤ 55-15

5 ≤ x ≤ 40

this means how many more cookies he has to make

walter needs to make at least 5 more cookies, but no more than 40 cookies; 5 ≤ x ≤ 40

add an image

step-by-step explanation: