Question

Four friends went scuba diving. According to the following statements, who spotted sea life at the fastest rate?

Lance saw 4 reef sharks in 6 minutes.

Jasmine saw 6 sea cucumbers in 8 minutes.

Robert saw 11 jellyfish in 15 minutes.

Shilpa saw 8 pencil urchins in 10 minutes

Answer 1

The relationship we are interested in is \[\text{ number of sightings} \over{\text{ time}} \]

Answer 2

\[4 \over 6\]
\[6 \over 8\]
\[11 \over 15\]
\[8 \over 10\]

Which ever one is largest is the fastest rate

Answer 3

Ah, 3rd one @eyust707 ?

Answer 4

Well its certainly not the first or second.... so its either the 3rd or the 4th

Answer 5

Lets multiply both by 1 to get the least common multiple