two siblings were born in two consecutive years. the quotient of ila's age and 4 is one half times twice the difference of ali's age and 8

Question

Figure problem out

Answer 1

the quotient of ila's age and 4 is one half times twice the difference of ali's age and 8

(i/4) = (1/2)(2)(a - 8)

 

let i = a + 1yr

 

[(a + 1)/4] = 91/2)(2)(a - 8)

[(a + 1)/4] = 1(a - 8)

a + 1 = 4(a - 8)

a + 1 = 4a - 32

33 = 3a

a = 11, i = 12