At 3pm, the outside temperature was 4. f. The temperature then fell steadily by 2. fevery hour for the next four hours. What was the temperture at 7pm.

Question

Mathematics

Marquis James

13 August, 19:24

At 3pm, the outside temperature was 4. f. The temperature then fell steadily by 2. fevery hour for the next four hours. What was the temperture at 7pm.

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Answers (1)

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Jamie Arnold · Answer 1

4 - 2 - 2 - 2 - 2 = - 4°F

It falls by 2 every hour. So starting with 4, you minus 2 for every hour that passes until you reach 7pm.

OR

4 - (2 x 4)

Start with 4, minus 2 four times (since it takes 4 hours to reach 7pm from 3pm)