Bran B.

asked • 09/11/15

What was the daytime high temperature at the end of the 9-day period?

St. Lawrence Island, off the coast of Alaska, had a daytime high temperature of -4°F on Monday. The high temperature decreased 6°F on Tuesday and then increased 2° F each day for the next 7 days. What was the daytime high temperature at the end of the 9-day period?

A. 4°F

B. 8°F

C. 16°F

D. 20°F
 
I think the answer is "A" If I'm wrong, how so?

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