In the Pool An Investigation
In the Pool Some octopuses, some fish and a few mermaids were happily playing in a rock pool. Altogether there were 48 arms, 42 eyes and 16 tails all swimming in the pool ( for this investigation, octopuses have arms). How many fish were there?
Exercises:- Repeat the above example for the case where there are (i) 78 arms, 50 eyes and 17 tails (ii) 38 arms, 26 eyes and 9 tails (iii) 100 arms, 60 eyes and 20 tails
Solutions ExampleOctopusesMermaidsFish given5412 (i)8710 (ii)436 (iii)10