Question

the sum of 2 numbers is 80.the ratio of these 2 numbers is 3:5.find the larger number

Answer 1

Hello,

Let's assume a the smaller number,b the larger.

a+b=80
a/b=3/5==>a=3/5*b

3/5b+b=80
==>8/5b=80
==>b=80*5/8
==>b=50
a=80-50=30
The lager number is 50