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Gala2k [10]
3 years ago
10

There are 108 flights from an airport, 20 of which are longer than 3 hours. The flight from this airport will be randomly chosen

. What is the probability it is longer than 3 hours? Enter your answer as a fraction, in simplest form, in the box.
Mathematics
2 answers:
andrew-mc [135]3 years ago
3 0
20 / 108 reduces to 5/27
SSSSS [86.1K]3 years ago
3 0
<span>Integer numbers prime factorization: 
20 = 22 * 5; 
 108 = 22 * 33;Take all the common prime factors, by the lowest powers.Greatest (highest) common factor (divisor), gcf, gcd: 
gcf, gcd (20; 108) =<span> 22</span> = 4;</span><span>Step 2: Divide fraction's both numerator and denominator by their greatest common factor (divisor), gcf (gcd)</span>
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