Question

each marble bag sold by susans marble company contains 3 blue marbles for every 4 green marbles. if a bag has 24 blue marbles how many green marbles does it contain

Answer 1

18

Explanation:

We know that for every 4 green marbles, there are 3 blue marbles.
so if there are 8 green marbles, there are 6 blue marbles.
This continues on until we get 24 blue marbles.

Expression : Taking Green Marbles as 'x' and Blue Marbles as 'y'

4x = 3y

so if there are 24 Blue marbles , this means:

4x = 3 x 24

4x = 72

x = 72/4 = 18 Marbles are green