Question

Jason was so sure he would win the

drawing for a new bike! The rules
were that a person could enter as
many times as he wanted, so Jason
had sent in 15 entries. There were 381
entries. If only the first entry drawn
wins a bike, what are the chances
Jason will win? (Express your answer
as a fraction in lowest terms.)

Answer 1

5 / 127

Explanation:

Jason was so sure he would win the drawing for a new bike! The rules were that a person could enter as many times as he wanted, so Jason had sent in 15 entries. There were 381 entries. If only the first entry drawn wins a bike, the chances Jason will win is 5 / 127 in lowest terms

Answer 2

5 / 127

Explanation:

The probability he will win is 15 / 381. We need to reduce this fraction. 15 is 3 times 5. 381 isn't divisible by 5, but it is divisible by 3 and 127.

15 / 381

(3×5) / (3×127)

5 / 127