How do you determine whether the situation is an example of an inverse or direct variation: the drama club can afford to purchase 10 wigs at $2 each or 5 wigs at $4 each?
Inverse variation : Inverse variation equation is
Inverse variation : Here price per wig (p) increases , quantity of
wigs (n) #decreases as the total amount (k=20) remains constant.
Inverse variation equation is