In a box the ratio of red marbles to blue marbles is 7:4.Then how many marbles are present in the box ?

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Dear student
$Since ratio of the red marbles to blue marbles is 7 : 4 SO, total numbers of numbers in the box = 7 + 4 = 11$
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In a box the ratio of red marbles to blue marbles is 7:4.Then how many marbles are present in the box ?

Dear student Since ratio of the red marbles to blue marbles is 7:4SO, total numbers of numbers in the box=7+4=11 Regards

Dear student
$Since ratio of the red marbles to blue marbles is 7 : 4 SO, total numbers of numbers in the box = 7 + 4 = 11$
Regards