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9 January, 00:28

15 key chains cost 11.75 A. E. D. What will be the cost of 36 key chains? How many key chains can we buy for 225 A. E. D?

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  1. 9 January, 01:19
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    Cost of 36 key chains is 28.19 A. E. D

    You will get 287 key chains for 225 A. E. D

    Step-by-step explanation:

    15 = 11.75

    1 = ?

    (cross multiply)

    11.75/15 = 0.783 A. E. D (which is the cost of 1 key chain)

    cost of 36 key chains = cost of 1 key chain * 36

    = 0.783 * 36 = 28.19 A. E. D

    There fore the cost of 36 key chains is 28.19 A. E. D

    Now

    to find the number of key chains we can buy for 225 A. E. D we will divide 225 by 0.783

    So,

    225/0.783 = 287.356

    Since the number of key chains cannot be in decimals the value will remain without decimals

    Therefore we can buy 287 key chains for 225 A. E. D
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