Answer:
13
Step-by-step explanation:
20÷1.5 since there is not X
Answer: 
Step-by-step explanation:
Given
Speed of boat 



Red apples to all apples:
There are 6 red apples and 13 apples total, so the ratio it 6:13
Green Apples to All Apples:
There are 7 green apples and 13 apples total, so the ratio is 7:13.