Jose had 48 marbles. He gave 1/4 of them to his cousin and 1/9 of what was left to his brother. How many marble did he give away?

Question

Please give the solution and formula

Answer 1

48/4 = 12

48-12=36

36/9 = 4

he started with 48,

gave 12 to his cousin

then gave 4 to brother

he gave away 12+4 = 16 marbles total

leaving himself with 48-16=32 marbles