If y varies directly with x, and y=36 when x=9, how do you find x when y=52?
1 Answer
May 20, 2018
Explanation:
#"the initial statement is "ypropx#
#"to convert to an equation multiply by k the constant"#
#"of variation"#
#rArry=kx#
#"to find k use the given condition"#
#y=36" when "x=9#
#y=kxrArrk=y/x=36/9=4#
#"equation is " color(red)(bar(ul|color(white)(2/2)color(black)(y=4x)color(white)(2/2)|))#
#"when "y=52" then"#
#4x=52rArrx=52/4=13#
