Question 878958
"if 40% of r is equal to s" then {{{0.4r=s}}}


Solve for r. Then multiply both sides by 0.10 to find 10% of r.


{{{0.4r=s}}}


{{{r=s/0.4}}}


{{{r=2.5s}}}


{{{0.10r=0.10*2.5s}}}


{{{0.10r=highlight(0.25s)}}} (this basically says "10% of r is equal to 25% of s")