At $7 : 00$ a.m., the temperature was $- 6^{o} F$ . The temperature was $8^{o} F$ higher at noon. Which one of the following expression can be used to calculate the temperature at noon ?

(- 6 + 8)^{o} F

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(- 6 - 8)^{o} F

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(8 + 6)^{o} F

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(8 + (- 6))^{o} F

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Solution

The correct option is B $(- 6 + 8)^{o} F$
Temperature at $7 : 00$ a.m. is $- 6^{\circ} F$
At noon temperature increases by $8^{\circ} F$ , hence new temperature is $(- 6 + 8)^{\circ} F$

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At 7:00 a.m., the temperature was −6oF. The temperature was 8oF higher at noon. Which one of the following expression can be used to calculate the temperature at noon ?

The correct option is B (−6+8)oFTemperature at 7:00 a.m. is −6∘FAt noon temperature increases by 8∘F, hence new temperature is (−6+8)∘F

At $7 : 00$ a.m., the temperature was $- 6^{o} F$ . The temperature was $8^{o} F$ higher at noon. Which one of the following expression can be used to calculate the temperature at noon ?

The correct option is B $(- 6 + 8)^{o} F$
Temperature at $7 : 00$ a.m. is $- 6^{\circ} F$
At noon temperature increases by $8^{\circ} F$ , hence new temperature is $(- 6 + 8)^{\circ} F$