How many years is 1755 days
Four years and 294 days
One in five plus one in five plus one in five plus two in five is how many times how many
One in five plus one in five plus one in five plus two in five is one times one
15 of 21 × 3 of 4 + 10 of 21 × 3 of 4-3 of 4, simple and fast
(5/21)×(3/4)+(10/21)×(3/4)-(3/4)
=(3/4)×(15/21+10/21-1)
=(3/4)×[(15+10-21)/21]
=(3/4)×(4/21)
=1/7