Question

Every 1/2 hour Naomi streches her neck; every 1/3 hours she stretches her legs; and every 1/6 hour she streches her arms. Which parts of her body will Naomi strech when2/3 of an hour has passed?

A- neck and legs
B- neck and arms
C- legs and arms
D- none

Answer 1

c!!! definalty because every a 1/2 is 30 minutes meaning it cannot be it. since 2/3 is 40 minutes 1/3 is 20 and 1/6 is 10 so after 40 minutes it is definatly going to be 40!!  meaning C!

Answer 2

Answer and workings in the attachment below.