Name the figure (multiple choice)m

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.

Solve 2x+y=3 x+y=5 in substitution method

What percent of 18 is 24? and plz explain thx.