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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?

°F

 Jul 21, 2021
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Twice a 10 degree increase is    20 degrees

 

10 + 20 = 30 degree increase from 8 am to 4 pm

 

-14   + 30 = 16 degrees F  at 4 pm

 Jul 21, 2021

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