Question

One autumn morning the temperature went up from -4 ° C to 5° C

a. By how many degrees did the temperature rise?

b. During the afternoon the temperature then fell by seven degrees from 5°C .What was the

temperature at the end of afternoon?
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Answer 1

Answer:

a. 5c°-(-4c°) =5c°+4c°=9c°ans.

b.5c°-7c°=-2c°ans.