Question 631735
THE RATION OF TWO NUMBERS IS 2:5.IF THE SUM IS 84,WHAT IS THE BIGGER NUMBER?
:
Let n = one number
then
(84-n) = the other the other number
{{{n/((84-n))}}} = {{{2/5}}}
Cross multipoly
5n = 2(84-n)
5n = 168 - 2n
5n + 2n = 168
n = 168/7
n = 24 is the smaller number
:
You can find the larger number