Tickets numbered 1 to 20 are mixed up and then a ticket is drawn at random what is the probability that the ticket drawn has a number which is multiple of 3 and 5?

Total number of outcome = 20

Probability of picking multiple of 3 out of 1 - 20 = (6 items of 20) = 6/20

Probability of picking multiple of 5 out of 1 - 20 = (4 items of 20) = 4/20

Therefore p(multiples of 3 or 5) = 6/20 + 4/20 = 10/20 = 1/2.

hey there!

if she's saving for six months, let's divide the total number we need for the trip by six, dividing it into the amount that needs to be saved for each month.

500 ÷ 6 =

she needs to save at least this amount each month, so we should use this symbol: ≥

let x be the amount she saves each month.

your final answer is x ≥

hope this !

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