Question

Yesterday morning at 8 a.m. the temperature was -14˚F. At noon it was 10 degrees warmer. The temperature increase between noon and and 4 p.m. was twice the temperature increase between 8 a.m. and noon. What was the temperature at 4 p.m?

Answer 1

The temp at 4 pm is 16°F .

Answer 2

8am : -14F

noon : -14+10 = -4F

increase between noon and 4 is 2*10 =20

4 pm: -4F + 20 = 16F

temperature at 4 pm is 16F