Sarah shared 1 2 of her sandwich with Jason. Jason ate only 2 3 of what Sarah gave him. What fraction of the whole sandwich did Jason eat?

Afootball quarterback has two more chances to throw a touchdown before his team is forced to punt the ball. he misses the receiver on the first throw 25% of the time. when his first throw is incomplete, he misses the receiver on the second throw 15% of the time. what is the probability of not throwing the ball to a receiver on either throw?