Question

A raffle ticket is drawn from a box containing 100 tickets numbered from 1 to 100. Find the percentage chance that the number of the ticket is:

a) divisible by 10
b) less than 10
c) greater than 10
d) a multiple of 5
e) greater than 90
f) a number containing the digit 9

Answer 1

a) 10%, b) 9%, c) 90%, d) 20%, e) 10%, f) 20%

Step-by-step explanation:

a) To find the percentage chance that the number of the ticket is divisible by 10, we need to count the number of tickets divisible by 10 (there are 10 of them) and divide it by the total number of tickets (100). So, the percentage chance is 10/100 x 100 = 10%.

b) To find the percentage chance that the number of the ticket is less than 10, we need to count the number of tickets less than 10 (there are 9 of them) and divide it by the total number of tickets (100). So, the percentage chance is 9/100 x 100 = 9%.

c) To find the percentage chance that the number of the ticket is greater than 10, we need to count the number of tickets greater than 10 (there are 90 of them) and divide it by the total number of tickets (100). So, the percentage chance is 90/100 x 100 = 90%.

d) To find the percentage chance that the number of the ticket is a multiple of 5, we need to count the number of tickets that are multiples of 5 (there are 20 of them) and divide it by the total number of tickets (100). So, the percentage chance is 20/100 x 100 = 20%.

e) To find the percentage chance that the number of the ticket is greater than 90, we need to count the number of tickets greater than 90 (there are 10 of them) and divide it by the total number of tickets (100). So, the percentage chance is 10/100 x 100 = 10%.

f) To find the percentage chance that the number of the ticket contains the digit 9, we need to count the number of tickets that contain the digit 9 (there are 20 of them) and divide it by the total number of tickets (100). So, the percentage chance is 20/100 x 100 = 20%.

Answer 2

less than 10 I think