If 30% of r is equal to 75% of s, what is 50% of s if r=30?

1 Answer
Feb 22, 2018

#50 %# of #s = 6#.

Explanation:

#r = 30#
So,
#30%# of #r = 30 xx 30/100 = 9 #

This is given to be equal to 75% of s,

# 75 % of s = 9 #

#therefore sxx 75/100 =9 #

#=> s = 900/75 = 12#

Asked: what is 50% of s if r=30?

#therefore 50% of s = 50/100 xx 12 =6#

Answer: #6#