A girl is six years younger than her brother, the product of their ages is 135.find their ages

Answer 1

g = b - 6

g * b = 135

substituting ... (b - 6) * b = 135 ... b^2 - 6 b - 135 = 0

factoring ... (b + 9)(b - 15) = 0

Answer 2

Mariam number's : madonna sch

Answer 3

2+6/5+3