Which fraction is not greater than 1/2?

a. 7/8
b.4/6
c.3/5
d.2/5

He answer is D.2/5
the half of 8 is 4 and we have 7/8 which is by 3 bigger.
the half of 6 is 3 
and if you turn 3/5 to 10 ths you get 6/10 it also passes 
but 2/5 to 10th it's 4/10 it's 1 10th small

They sought new allies to germany tried to get mexico to join and put pressure on the us. the us joined the allies because of the lucitania