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17 August, 04:12

If the cost of 100 copies is $3.10, how many copies can be made for $155?

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  1. 17 August, 07:08
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    Given that: 100 copies = $3.10

    Find cost of 1 copy:

    1 copy = $3.10 : 100 = $0.031

    Find the cost of 155 copies:

    155 copies = $0.031 x 155 = $4.81 (nearest hundredth)

    Answer: $4.81
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