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16 August, 07:25

How much did Briana save by purchasing a backpack that cost $45 with a sales promotion of 20% off instead of a backpack

that cost $42 with a sales promotion of 10% off?

O $1.80

O $3.00

$4.80

$6.90

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  1. 16 August, 07:38
    0
    1.80

    Explanation:

    42 * 0.9 - 45 * 0.8 =
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