Answer:

Step-by-step explanation:
From the question we are told that:
Number of boys
Number of girls 
Total Number of students


Generally the equation for Probability of Choosing a Girl is mathematically given by



Answer:
6 runners
Step-by-step explanation:
Each runner ran 7.5 km. If there were n runners, then (7.5 km)n = 45 km.
Solve this for n by dividing 7.5 km into 45 km:
n = 6
There were 6 runners.
X equal what umber,and y equal what number?
Answer:
4/7
Step-by-step explanation:
Multiply the number by The reciprocal of 1 2/5
4/5*5/7=20/35
Ur lines are parallel...they never intersect...means there is no solution...
ur answer { } or empty set