the mean age of w student book club is 14.2 years. a 27-year-old teacher is invited to join the club. how does the teachers age
affect the new mean?
1 answer:
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Answer:
Direct Variation
Step-by-step explanation:
Given: A car travels at a distance of km. The formula that relates
to
is
To find: kind of variation
Solution:
The formula that relates to
is
Here, is a constant of proportionality.
Constant of proportionality is also called as constant of variation.
varies directly as
.
Therefore, this is a direct variation.