The value of y varies directly with x. If x=1/2, then y=40. Which of the following equations represents this situation? A. x=20yB. y=20xC. y=80xD. x=80y

Option C: y = 80x is the right answerStep-by-step explanation:Varying directly means that the increase/decrease in one quantity will cause increase/decrease in other quantity.If y varies directly with x it is given by::y ∝ xWhen the proportionality symbol is removed, a proportionality constant is introducedy = kxIf x = 1/2 and y = 40then[tex]40 = k * \frac{1}{2}\\k = 40*2\\k = 80[/tex]Putting the value of k, we gety = 80xHence,Option C: y = 80x is the right answerKeywords: ProportionLearn more about proportion at:brainly.com/question/2977815brainly.com/question/3071107#LearnwithBrainly