Question

Vicky records the low temperature for three consecutive days. Between the first and second days the temperature increased 6 degrees. Between the second and third days the temperature decreased 3 degrees. On the third day the low temperature was –6º. What was the low temperature on the first day? –15 degrees –9 degrees –3 degrees 3 degrees

Answer 1

Answer:

-9 degrees

Step-by-step explanation:

I took the test

Answer 2

T2-t1=6, t3-t2=-3,  t3=-6

t3-t2=-3 becomes

-6-t2=-3

-t2=3

t2=-3

t2-t1=6 becomes

-3-t1=6

-t1=9

t1=-9 degrees