Question

See below pic and send me answer faster

Answer 1

the correct answer will be = 15/30 × 10
= 1/2×10
=5

So the temperature while drop by 5 degrees.

Answer 2

Answer is 5 degrees, as the current drop is 15 degrees in 30 days means .5 degree per day.

Now multiply .5 degree with 10 days, then your answer will be 5 degrees.