Its 72.. its just 75/100 = x/96 then use cross products to find out that 74(96)=100x then solve to get 72
The original ratio is 6 boys= 5 girls, so if another 6 boys joined, another 5 girls would need to join, too.
Answer:
y=-2x+6
Step-by-step explanation:
See the attached file for the worked solution.
Here is the half angle formula for tan