<em>THE</em><em> </em><em>RIGHT</em><em> </em><em>ANSWER</em><em> </em><em>IS</em><em> </em><em>OF</em><em> </em><em>THIRD</em><em> </em><em>OPTION</em><em>.</em>
<em>HOPE</em><em> </em><em>THIS</em><em> </em><em>WILL</em><em> </em><em>HELP</em><em> </em><em>U</em><em>.</em><em>.</em><em>.</em>
Answer:
here question was not clear
The value of 7 in 7,283 is 10 times the value of 7 in 2,783
if there's 1 boy to every 4 girls, there's going to be 5 boys for every 20 girls
Use the distributive property backwards.
xp+yp=z become p(x+y)=x, which solves to p=x/(x+y)
