79% of what number is 27.0?

1 Answer
Nov 30, 2016

Answer:

#x ~~ 34.2#

Explanation:

Let's call the unknown number #x#.
Write an equation to show what is given..

#79%# of some number is equal to #27.0#
#darr color(white)(..)darrcolor(white)(.......)darrcolor(white)(...........)darrcolor(white)(.........)darr#

#79% xx color(white)(.........)x color(white)(............)=color(white)(........) 27.0#

#79/100 xx x =27" "larr# solve for #x#

#x =27.0 xx100/79#

#x = 34.1772#