SO EASY 60 people = 10 minutes in line 240 people = 40 minutes in line
LHS: =

(using

)
We know

so we can replace the sin²x in the LHS expression as follows

which is the RHS.
Answer:
5,500 meters or 5.5km
Step-by-step explanation:
1 km is = 1000 meter
2km=2000 meters
2000 +3500 =5,5000 meters
Answer:
C. 1/7
Because 1 ball is purple out of 7 other ones