Answer:
90
Step-by-step explanation:
The median is 7.
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Arrange data in numerical order
1 3 3 6 8 10 10 15
Total number are 8, N = 8
Take the middle two numbers 6 and 8 and take their average
6+8/2 = 14/2 = 7
Therefore the median is 7.
Answer: 1. y=4
Step-by-step explanation:
for 1. if x = -2 then the problem becomes -2(y) = -8 and -2 x 4 = -8
Answer:
Leila's call lasted for 25 minutes.
Step-by-step explanation:
inital amount - (0.22 * minutes on the phone) = final amount
25 - 0.22x = 19.5
Solve for x
Subtract 25 from both sides
-0.22x = -5.5
Divide both sides by -0.22
x = 25
