SOLUTION: Bowl p has 9 marbles and bowl q has 12 marbles. 3 marbles are removed from bowl p. How many marbles should be removed from bowl q so that the number of marbles in bowl p to the num

Algebra ->  Percentage-and-ratio-word-problems -> SOLUTION: Bowl p has 9 marbles and bowl q has 12 marbles. 3 marbles are removed from bowl p. How many marbles should be removed from bowl q so that the number of marbles in bowl p to the num      Log On


   

Question 1095595: Bowl p has 9 marbles and bowl q has 12 marbles. 3 marbles are removed from bowl p. How many marbles should be removed from bowl q so that the number of marbles in bowl p to the number of marbles in bowl q remains the same as before.
Answer by josgarithmetic(39623) About Me  (Show Source):
You can put this solution on YOUR website!
p%2Fq=9%2F12=%289-3%29%2F%2812-x%29

3%2F4=6%2F%2812-x%29

3%2812-x%29=24

12-x=8

highlight%28x=4%29--------------remove 4 marbles from bowl q.