Solve for x. State any restrictions on the variables. ax + bx - 1 = 8
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Describe the data:
Mean=12
Interquartile range=7
Range=17
Do Not describe:
Range-23
Median=10
Interquartile range=12
Given:
y is proportional to x.
y=10 and x=8.
To find:
The constant of proportionality and the equation for the proportional relationship.
Solution:
y is proportional to x.
...(i)
Where, k is the constant of proportionality.
Putting y=10 and x=8, we get
Putting in (i), we get
Therefore, the contestant of proportionality is and the equation for the proportional relationship is
.