Laura paddles in her canoe at a speed of 5 mph for 5 miles.
As we know that

Substitute the values we get

Laura hops on her windsurfer and sails for 12 miles at a speed of 6 mph.
Again using the above formula we can write

Hence from equation (i) and (ii), we can say total time of travel

For each boy, there are 5 girls
Answer: what??
Step-by-step explanation:
Answer:
4.67×10^6 is the correct answer
:)