Ricardo tiene ahorrados S/.300 más que Carlos y este último S/.500 más que Saúl. Si Luis, que tiene ahorrados S/.900, tiene S/.200 menos que Saúl, ¿cuánto dinero
ahorró Saúl? ¿Cuánto dinero tiene ahorrado cada uno de ellos?, ordénalos de
mayor a menor​

You are cycling around europe with friends. a cycling festival is starting soon in barcelona. it will take 4.5 hours to cycle there. how many minutes in total is this?

Weekly wages at a certain factory are normally distributed with a mean of $400 and a standard deviation of $50. find the probability that a worker selected at random makes between $450 and $500

The evening newspaper is delivered at a random time between 5: 30 and 6: 30 pm. dinner is at a random time between 6: 00 and 7: 00 pm. each spinner is spun 30 times and the newspaper arrived 19 times before dinner. determine the experimental probability of the newspaper arriving before dinner.