Question

Lani is seven years older than her brother. Write an expression for the age of Lani eight years ago......Please give me the answer....... Thank You

Answer 1

let Lani be X and her brother be Y

Answer 2

so presently.. Y + 7= X

Answer 3

Lanis age = 7+Brothers age

Answer 4

so eight years ago.. Lani was X- 8 and her brother was Y- 8

Answer 5

since Lani present age is X and X = Y + 7
Therefore,eight years ago.. Lani will be ( X - 8) = (Y + 7) - 8

Answer 6

Thank You

Answer 7

ya welcome