The temperature at 8:00 a.m. was 46°F. By 1:00 p.m. it was 18° warmer. Which equation would help you figure out what temperature it was at 1:00 p.m.?

None of the above.

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To figure out the temperature at 1:00 p.m., we can use an equation that takes into account the change in temperature. Since the temperature at 8:00 a.m. was 46°F and it was 18° warmer at 1:00 p.m., we can set up an equation to solve for the temperature at 1:00 p.m.

Let's define "T" as the temperature at 1:00 p.m.

The equation can be written as: T = 46 + 18

In this equation, we add 18 to the initial temperature of 46 to get the temperature at 1:00 p.m.