Question 769804


1.
{{{10}}}% and {{{15}}}%? 
{{{x = 100 (1-(.90)(.85)) = 100 (1- 0.765) = 100(0.235) = 23.5}}}% 

so, answer is D) {{{23.5}}}%


2.

Let {{{x}}} be the cost and {{{y}}} be the selling price

So if {{{y=100}}}, {{{x=80}}}

then {{{(20/80)*100=25}}}%

answer is B) {{{25}}}