Answer:
60 cm is the answer
Step-by-step explanation:
 
        
             
        
        
        
10 cents because the total was a dollar 10 and the bat cost cost a dollar so you would subtract that and you would be left with 10 cents thus being the ball
        
             
        
        
        
Jamal would bike further in
        
             
        
        
        
Answer:
2,200 students
Step-by-step explanation:
To find the number of students, create a proportion which is two equal ratios. Since the middle school and the high school are proportional then they have equal ratios.

Solve for x by cross multiplying by multiplying the numerator and denominator of each fraction.
900(110) = 45(x)
99,000=45x
2,200 = x