Maths
posted by jo .
At present, the ratio of Ann's age to Pamela's age is 4:3. Six yrs ago, their total age was 72yrs. what is Pamela's presnt age?

let Ann's age be 4x
let Pam's age be 3x , notice the raio of their ages will be 4:3
six yrs ago
Ann: 4x6
Pam: 3x6
4x6 + 3x6 = 72
solve for x, easy from there