one week, kristi worked 3 days at a department store for 3 and a half hours each day. She was paid $9/h. How many hours did kris
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Answer:
see explanation
Step-by-step explanation:
Given that y varies inversely as x then the equation relating them is
y = ← k is the constant of variation
To find k use the condition that x = 9 when y = 15
15 = ( multiply both sides by 9 )
k = 135
y = ← equation of variation