Tickets numbered from 1 to 20 are mixed up together and then a ticket is drown at random.
What is the probability that the ticket has a number which is a multiple of 3 or 7.
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Answered by
4
Answer:
2/5
Step-by-step explanation:
The multiples of 3 between 1 and 20 -
3,6,9,12,15,18
The multiples of 7 between 1 and 20 -
7,14
Total numbers - 20
multiples - 8
probability - 8/20
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