From tech troubles to travel tips, IDNLearn.com has answers to all your questions. Get the information you need from our experts, who provide reliable and detailed answers to all your questions.

Variable y varies directly with variable x, and y = 6 when x = 9.

What is the value of x when y = 18?


Sagot :

x and y are proportional hence when y is multiplied by a number, x is multiplied by the same number.

18=6*3 hence when y=18,x=9*3=27

x=27
so you can set up a proportion like
x/y=x/y
9/6=x/18
simplify 9/6=3/2
3/2=x/18
multiply both side by 18
(3x18)/2=x
54/2=x
x=27