4% of what number is 15?

1 Answer
Apr 22, 2018

Answer:

The number is # 37.5#

Explanation:

You can write an equation and solve it:

#4% "of something" = 15#

#4/100 xx x = 15#

#x = (15xx100)/4#

#x = 37.5#

You can also write a direct proportion:

#4/15 = 100/x" "(larr"percent")/(larr " number")#

#x = (15xx100)/4#

#=37.5#