You can count from 34-28 and the numbers you counted (the numbers in between 34-28) is your answer.
The correct answer choice is (B)
Answer: 7 hr
Step-by-step explanation:
Given
Distance between Emily and Kylie is 
Speed of Emily 
Speed of Kylie 
Distance traveled by Emily 
Distance traveled by Kylie 

They will meet after 7 hour.