Question

Shirley wants to find an estimate for the number of bees in her hive.
On Monday she catches 90 of the bees.
She puts a mark on each bee and returns them to her hive.
On Tuesday she catches 120 of the bees.
She finds that 20 of these bees have been marked.
(a) Work out an estimate for the total number of bees in her hive.

Answer 1

Answer:

200 is an estimate for the total number of bees

add 90 , 120 and 20 is 230

than round off to hundred