Answer:
2.79166666667
Step-by-step explanation:
Answer:
10.315
Step-by-step explanation:
Answer:
20 tickets
Step-by-step explanation:
tickets/total tickets * 100% = 10% chance to win the raffle
x/200*100=10
solve for x
x/200 = 10/100
x = 200(0.1)
x = 20