Question

Duane recorded the temperature outside his window one morning. On the second day,

the temperature went up 7 degrees. On the third day, the temperature went down 10 degrees.
On the fourth day, the temperature went down 6 degrees, and it was 1°F.
What was the temperature on the first day?

A. 0°F
B. 17°F
C. 10°F
D. 7°F

Answer 1

C

Explanation:

`day 2 = +7\\\\day3 = -10\\\\day 4 = -6\\\\FinalDay = 1`

so
`start +7 -10-6 = 1\\ \\start = 10`