Variables y and x have a proportional relationship, where y = 18 when x = 2.
1 answer:
Answer:
<h2> x = 324 </h2>
Step-by-step explanation:
<h3>y=Kx</h3>
<u>make k the subject of formula</u> <h3>=> Kx = y</h3><h3>=> k = y/x</h3>
<u>add the value of y = 18 when x = 2.</u> <h3>=> k = 18/2</h3>
<h3>=> k = 9</h3>
<em><u>What is the value of x when y = 36?</u></em>
<h3>=> x = Kx</h3>
<u>substitute k equals to 9 and from the question y equals to 36 into this equation</u> <h3>=> x = 9(36)</h3>
<h3>=> x = 324</h3>
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