Answer:
The total number of students in the college is 3,000.
Step-by-step explanation:
Set up a proportion.
Cross-multiply.
Divide both sides by 48.
Answer: 17.7
Step-by-step explanation:
Answer:
C. Cos(60°) = Sin(30°)
Step-by-step explanation:
Cos(60°) = 0.5
Sin(30°) = 0.5
Answer:Boys=5,girls =2
Step-by-step explanation:
Let b be the no of boys and g be the no of girls
Therefore
Sam has twice as many brothers as sisters
2g=b-1
b-2g=1--------------1
Amanda has five times as many brothers as sisters
5(g-1)=b
5g-b=5----------------2
using (1) & (2) we get
g=2
b=5