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13 June, 00:47

Lakshmi has 11 more20-rupee notes than 10-rupee notes. If she has Rs 550 in total, how many notes of each kind does she have?

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  1. 13 June, 01:43
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    10rupee notes are 11

    20rupee notes are 22

    Step-by-step explanation:

    Let 10-rupee note be x

    20-rupee note will be x + 11

    The equation will be

    10x + 20 (x + 11) = 550

    10x + 20x + 220 = 550

    30x = 330

    x = 330/30 = 11 = 10rupee notes

    y = 11+11 = 22 = 20rupee notes
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