In a class, 7 students walk to school, two-fifths ride the bus, and 32% are dropped off by their parents. How many students ride
1 answer:
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For this case we have a direct variation of the form:
Where,
- <em>k: proportionality constant </em>
We must find the value of k.
For this, we use the following data:
Therefore, replacing values we have:
Rewriting:
Clearing the value of k we have:
Therefore, the direct variation equation is given by:
Answer:
The quadratic variation equation for the relatonship is: