(4/5) did not go for drinks on Friday
(3/8) * (4/5) did not get the opportunity to go.
That means (3/8)*(4/5) = (3/10) or 30% of staff did not go to drinks on either day.
(4/5) did not go for drinks on Friday
(3/8) * (4/5) did not get the opportunity to go.
That means (3/8)*(4/5) = (3/10) or 30% of staff did not go to drinks on either day.
RE: Test Your Math Skills and Win SBD # 3