Answer:
2750
Step-by-step explanation:
1.5
# of postcards per day
and 9
-6 -7 -8 -9 -10
anything that keeps going from there dont do anything like -5 -4 -3 -2 -1 because it would be wrong
any negative number that keeps increasing after -6
The answer is C.
Hope this helps.
Answer:3
15-3=12÷4=3
