Answer:
y = 150
Step-by-step explanation:
y varies inversely as x²
yx² = k
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y = 6 when x = 30
6(30²) = k
6(900) = 5400
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what is y when x = 6
y(6²) = 5400
y(36) = 5400
y = 5400/36
y = 150
The correct answer is 45+45(0.15). This is because you need to first count the price, and then add on the tip which is a certain percentage of that price. Hope this helped!
You can distribute the 4, and you get:

Then add to get your answer:
Answer:
it's a
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Step-by-step explanation: