The temperature on Tuesday at noon is 5°F above 38°F ⇒ answer B
Step-by-step explanation:
On Monday morning the temperature was 38°F, then
- By the afternoon the temperature had risen 22°F
- On Tuesday morning the temperature had dropped 27°F since Monday afternoon
- It rose 10°F by noon
We need to find how many degrees above or below 38°F the
temperature is on Tuesday at noon
The word rise mean positive number and the word drop means negative number
∵ On Monday the temperature has risen 22°F
∴ + 22°F
∵ On Tuesday morning the temperature had dropped 27°F since
Monday afternoon
∴ - 27°F
∵ It rose 10°F on Tuesday noon
∴ + 10°F
∵ The change in the temperature from Monday morning to Tuesday
noon = 22 + - 27 + 10 = 5 ⇒ (positive number)
- That means the value of the temperature is positive
∴ The temperature is 5°F above 38°F
The temperature on Tuesday at noon is 5°F above 38°F
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