The temperature in mariah’s town was at 5.2 f midnight. the temperature decreased at a steady rate of 1.1 per hour until 7: 00 a. m. at 7: 00 a. m. the temperature increased by a total of 4.9until noon. what was the temperature at noon?

It was 5.2 at midnightthe temp. decreased at a steady rate of 1.1 per hr until 7 a.mso it decreased 1.1 degrees every hr for 7 hrsso it decreased by (1.1 * 7) = 7.7 degreesso at 7 a.m. it is (5.2 - 7.7) = - 2.5the temp increased by a total of 4.9 until noonso at noon it is going to be (-2.5 + 4.9) = 2.4 degrees F <==

What exactly is your question?