18% of what number is 43?

1 Answer
Jul 19, 2016

#238.888888#

Explanation:

Set up a proportion

#18% = 43" "# while
#100% = x#

This gets you

#18 xx x = 100 xx 43#

#18 xx x = 4300#

Now divide both sides by #18#. The number is #x= 238.bar(8)# (a repeating decimal)