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

16°

Explanation:

so 10 degrees warmer from 8 to noon

so

-14°+10°= -4°

so at noon, it was -4°

but then from noon to 4 pm, the temp change was twice that

so

10° x 2= 20°

so

-4° + 20° = 16°

temp at 4 pm was 16°