Una empresa compró automóviles para tres de sus gerentes. El primer automóvil costó el doble del segundo más $ 250.000 y el tercero $ 180.000 menos que el primero. Si la empresa invirtió $4.320.000 ¿cuál es el precio de cada automóvil?

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?