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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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5x + 3y=33 when y= 2x + 1
inn [45]
Hope that this helps.

3 0
3 years ago
In New York, state sales tax rates vary by county. In Allegany County, the sales tax rate is 8 1 2 %. a. A book costs $12.99, an
ArbitrLikvidat [17]

Answer:

$ 2.30

Step-by-step explanation:

Given that the sales tax rate = 8\frac{1}{2}\%=8.5\%

The cost of the book is $ 12.99.

So, the tax on the book= 8.5% of 12.99

= \frac {8.5}{100}\times 12.99

=1.10

So, the sales tax on the book is $ 1.10.

The cost of the video game is $ 39.99.

So, the tax on the book= 8.5% of 39.99

= \frac {8.5}{100}\times 39.99

=3.30

So, the sales tax on the book is $ 3.40.

The difference of taxes on both the items = $ 3.40-$ 1.10=$ 2.30

So, the tax on the video game is $ 2.30 more than then tax on the book.

3 0
3 years ago
Help me with this plz<br><br> Choose: Same Or opposite
adoni [48]
Opposite but I’m not very sure
3 0
3 years ago
Without using a calculator, what is 30% of 546? (You can round up to avoid decimal points)
madreJ [45]

Answer:

Hey there!

We can solve this by multiplying 0.3 by 546, which is about 164.

Hope this helps :)

5 0
3 years ago
Read 2 more answers
Sara says, "If you subtract 15 from my number and multiply the difference by -7, the result is -133. What is sara's number
Delvig [45]

Answer:

39

Step-by-step explanation:

-133/-7=19+15=39

check:39-15=19

19x(-7)=-133

7 0
3 years ago
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