Five swimmers

This task is about estimating length.

Question 1Change answer

Five friends were having a swimming competition.
The arrows show how far each person swam underwater before they took a breath.
 
Joe swam 9 metres underwater before taking a breath. 
ESTIMATE how far each of the others swam underwater in metres.
a)  Miri m
b)  Roshan m
c)  Sam m
d)  Fiona m