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igor_vitrenko [27]
3 years ago
15

Sarah took the advertising department from her company on a round trip to meet with a potential client. Including Sarah a total

of 15 people took the trip. She was able to purchase coach tickets for $260 and first class tickets for
$1180. She used her total budget for airfare for the trip, which was $11,260. How many first class tickets did she buy? How many coach tickets did she buy?
Mathematics
1 answer:
IceJOKER [234]3 years ago
7 0

Answer

20

Step By Step

its 20 maybe

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If 55% of a number is 132 and 25% of the same number is 60, find 80% of that number.
UNO [17]

Answer:

  192

Step-by-step explanation:

It is always wise to look carefully at the question to see what information is given, and what information you are asked for. You are given two different fractions of the same number, and you want the value of a third fraction of that number. That third fraction is the sum of the other two.

__

The value of 80% of the number will be the sum of 55% and 25% of the number.

  n×80% = n×55% +n×25%

  n×80% = 132 +60

  n×80% = 192

80% of the number is 192.

_____

<em>Additional comment</em>

Your first clue that there may be something special about this problem lies in the fact that one fraction of a number is all you need in order to find any other fraction. Here, we're given two fractions (55% and 25%), so that is more information than we need. Why? Because it simplifies the problem to one of addition. No proportions need to be solved.

__

If you were interested, you could determine 100% of the number to be ...

  132/n = 55/100   ⇒   n = 132(100/55) = 240

or

  60/n = 25/100   ⇒   n = 60(100/25) = 240

Then ...

  0.80n = 0.80(240) = 192 . . . . 80% of the number

Or, you could write proportions for the 80% value:

  80%/55% = n/132   ⇒   n = 132(80/55) = 192 . . . . 80% of the number

  80%/25% = n/60   ⇒   n = 60(80/25) = 192 . . . . 80% of the number

__

"Look carefully" includes thinking about the ways the <em>givens</em> and the <em>finds</em> are related.

4 0
2 years ago
Which values of a, b, and c represent the answer in simplest form?<br> 9/11 divided by 5/11 = a b/c
ozzi

Answer:

a=1, b=9 and c= 5

Step-by-step explanation:

9/11 divided by 5/11

= 9/11 * 11/5

11 gets cancelled

=9/5

it can also be written as 1* 9/5

Hence here a=1, b=9 and c= 5  

<em>Please mark me as brainliest.</em>

3 0
3 years ago
Which pair of numbers is made up of prime numbers?
tester [92]

37 and 89 are prime numbers
8 0
3 years ago
Y=2x[<img src="https://tex.z-dn.net/?f=x%5E%7B2%7D%20" id="TexFormula1" title="x^{2} " alt="x^{2} " align="absmiddle" class="lat
boyakko [2]
X=4 because if y=2 then u muiptly it by 2

7 0
3 years ago
PLEASE HURRY AND HELP NOW !! PLEASE
ollegr [7]

Answer:

1. B

2. A

Step-by-step explanation:

I've done this before, very easy.

6 0
3 years ago
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