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A buisness in the florida keys offers key west jet ski tours for the following rates:Time (in hours) Price (in dollars)3/4 hour $90.001 1/2 hours $130.002 hours $180.00Are the two quantities, time and price, proportionally related? Explain.

Sagot :

Two quantities are proportionally related if the ratio between them is constant

[tex]\begin{gathered} \frac{price}{time}=\frac{90}{\frac{3}{4}}=90\cdot\frac{4}{3}=120 \\ \frac{price}{time}=\frac{130}{\frac{3}{2}}=130\cdot\frac{2}{3}=\frac{260}{3}=86\frac{2}{3} \\ \frac{price}{time}=\frac{180}{2}=90 \end{gathered}[/tex]

Given that the results are different between them, then the two quantities are not proportionally related