Answer:
Step-by-step explanation:
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Answer:
Step-by-step explanation:
Alright, lets get started.
The given equation is :

Subtracting 1 in both sides


Dividing 2 in both sides


Taking log on both sides


Plugging the value of log e as 1

..................... Answer
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Answer:
adult tickets are $8 and student tickets are $14
Step-by-step explanation:
to find the price of adult and student tickets, first look at all the given values:
a = adult tickets
s = student tickets
so: 4a + 5s = 102
and : 7a + 5s = 126
since in both equations the number of student tickets are the same, we have to find the difference of value to determine how much adult tickets are:
126-102 = 24
there are 3 more adult tickets in the equation with a total of 126, therefore:
24 / 3 = 8
that means each adult ticket is work 8 dollars.
now substitute this value:
4(8) + 5s = 102
32 + 5s = 102
you can solve this by concluding that 102- 32 is 70
that means 5(s) has to equal 70
so 70 / 5 = s
70/5 = 14
so the value of s = 14 and the value of a = 8
First thing...put the numbers in order ...
9,10,11,12,12,13,14,15,15,16,17,18,18,19,20,22
Q1 (lower quartile) = 12
Q2 (median) = 15
Q3 (upper quartile) = 18
IQR = Q3 - Q1 = 18 - 12 = 6
range = (highest number - lowest number) = 22 - 9 = 13