Answer:
Girls: 11
Boys: 18
Step-by-step explanation:
x: number of girls
x+x+7=29
2x=22
x=11
number of guys:
x+7=11+7=18
Formula:
Minimum = first element of set
First Quartile = (n+1)/4
Median = (n+1)/2
Third Quartile = 3(n+1)/4
Maximum = Last element of set.
Solution:<span>
The five number summary of ( 90, 85, 97, 76, 89, 58, 82, 102, 70, and 67) is,
Minimum = 58
First Quartile = 70
Median: = 83.5
Third Quartile = 90
Maximum = 102</span>
Answer: the plain pencil costs 10 cents and the colored pencil costs 20 cents
5 1/4 - 3 3/4 = 4 5/4 - 3 3/4 = 1 2/4
(x + 10)² - 1
= (x² + 20x + 100) - 1
= x² + 20x + 99
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