Derrick is a middle distance runner for his college indoor track team. One day his coach suggests a workout in which Derrick runs 3 repetitions of 7 2/3 laps at full speed with a two-minute rest between each repitition. How many laps does he run in this workout?

Can someone check my answer? you : )

Arestaurant gives out a scratch-off card to every customer. the probability that a customer will win a prize from a scratch-off card is 25%. design and conduct a simulation using random numbers to find the experimental probability that a customer will need more than 3 cards in order to win a prize. justify the model for your simulation, and conduct at least 10 trials.

Find two numbers if their sum is 91 and the ratio is 6: 7?