The perimeter of a rectangle is 40cm the perimeter of a simialr rectangle is 60cm. What is the scale factor from the smaller rectangle to the larger rectangle

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.