Stefans bikes renta bikes for $20 plus $7 per hour. shawna paid $69 to rent a bike. for how many hours did she rent the bike?
2 answers:
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ANSWER
The constant of variation is 6.
EXPLANATION
The inverse variation equation is:
We want to find the constant of variation, when x=-3 and y=-2.
We substitute the values for x and y to get,
Multiply out the left hand keeping in mind that negative times negative yields a positive result.
This implies that;
Hence the constant of variation is 6.