Which of the following are equal to the expression below? check all that apply.

If 10 men take 18 days to mow 60 acres of grass, how long will 15 men take to mow 80 acres?

You are at a restaurant and owe $38 for your meal. you want to leave a 20% tip. how much will your tip be?

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.