Each person should ride the bike for 4 miles, so that every one has to walk 8 miles and ride 4 miles.
If they had 2 bikes, each person will ride for 8 miles, 4 miles on each bike, and then walk 4 miles.
        
             
        
        
        
Answer:
(- 2, 3 )
Step-by-step explanation:
Given the 2 equations
x + y = 1 → (1)
2y - x = 8 → (2)
Adding the 2 equations term by term will eliminate the x- term
(x - x) + (y + 2y) = (1 + 8), that is
3y = 9 ( divide both sides by 3 )
y = 3
Substitute y = 3 into either of the 2 equations and solve for y
Substituting y = 3 in (1)
x + 3 = 1 ( subtract 3 from both sides )
x = - 2
Solution is (- 2, 3 )
 
        
             
        
        
        
Answer:
i dunno what that means but i think maybe your keyboard broke so the type of letters is random??
 
        
             
        
        
        
2. 8 books total 2 books fiction= 2/8 fiction
4. 6 ferns total 2 have been watered= 4/6 havent been 
6. 3/4=6/8 clamshelss
        
             
        
        
        
Answer:
area of the base triangle divided by two
Step-by-step explanation:
idk that's what Alexa said, sorry if it's wrong