Answer:
From the looks of it I think the answer is C.
Consecutive numbers differ by one. So, if
is the first, the three numbers are

The sum of the first and third integer is

Answer:
1 : 3
Step-by-step explanation:
pears : apples = 3 : 9 = 1 : 3
___
A common factor of 3 can be removed from each number in the ratio to reduce it to lowest terms.