Question

5 years ago lucky was three times as old as lovely 10 years later lucky would be twice as old as lovely how old are they now......Answer in use of one variable like only x​

Answer 1

let lovely age be x+5

lucky agebe 3x+5

after 10 years

3x+5+10=2(x+5)+10

3x+15=2x+20+10

3x+15=2x+30

3x-2x=30-15

x=15

lovely age is x=15 +5=20

lucky age is 3x+5= 3×15+5=45+5=50