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There were some marbles at a shop. The ratio of the number of red marbles to the number of blue marbles was 2:3. When 50 more red marbles and 30 more blue

marbles were added, the ratio of the number of red marbles to the number of blue marbles became 5:6. How many marbles were there at first?



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Let the no of  red marbles be 2x and no of blue marbles be 3x 
given that (2x + 50) : (3x + 30)= 5:6
solving we get x = 14 
so no of red marbles are 2 × 14 = 28 and no  of blue marbles are 3 × 14 = 42
1 5 1
if any question plz ask and mark it as best please.
The number of red marbles is 28 and
the number of blue marbles is 42
0 0 0
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