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12 September, 13:02

A bag contains yellow marbles and blue marbles, 73 in total. The number of yellow marbles is 7 more than 5 times the number of blue marbles. How many yellow marbles are there?

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  1. 12 September, 16:49
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    number of yellow marbles=62.

    Step-by-step explanation:

    It is given that in a bag there are yellow marbles and blue marbles and the total number of marbles=73.

    Let the number of Blue marbles=x, then according to the question, number of yellow marbles will be = 5x+7.

    Now, Total number of marbles = number of yellow marbles+number of blue marbles.

    ⇒73=x+5x+7

    ⇒73-7=6x

    ⇒66=6x

    ⇒x=11

    Therefore, numberof blue marbles=x=11 and

    number of yellow marbles=5x+7=5 (11) + 7=55+7=62.
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