375 lower reserved tickets were purchased and 365 upper reserved tickets were purchased
Step-by-step explanation:
Let x be the number lower reserved tickets
and
y be the number of upper reserved tickets
Then according to given statements
From equation 1:
Putting in equation 2
Subtracting 7030 from both sides
Dividing both sides by -1.5
Putting y = 365 in equation 1
Hence,
375 lower reserved tickets were purchased and 365 upper reserved tickets were purchased
Keywords: Linear equations, Variables
Learn more about linear equations at:
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Answer:
10' 11''
Step-by-step explanation:
131 / 12 = 10.1666...
10 * 12 = 120
131 - 120 = 11
12 represents the feet and the remainder, 11, is the inches.
8.25/3 = $2.75 per ice cream
2.75 * 2 = $5.50
It would cost $5.50 for 2 ice cream
Roughly 95% of the data lies within 2 standard deviations of the mean.
So (100% - 95%)/2 = 2.5% of the data lies within each tail.
This means roughly 2.5% of the data is in the left hand tail.
Answer: 64
Step-by-step explanation: