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10 February, 06:19

You are making several purchases from the I. B. Electric electronics store. You can buy from this retailer online or in a physical store. You have a coupon for 15% off that can only be used in the physical store and a $5.00 off coupon that can only be used online. The sales tax of 6% only applies to the physical store. Shipping for the online store is a flat rate of $8.99. Using this information and the information below, which way would you save the most money?

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  1. 10 February, 08:45
    0
    Physical store: 15% discount; 6% sales tax.

    Online store: $5 off; shipping fee $8.99

    Let us assume that the total item bought costs $100

    Physical store:

    100 x 15% = 15 discount

    100 - 15 = 85 discounted cost of item

    85 * 6% = 5.1 sales tax

    85 + 5.1 = 90.10 total cost

    Online store:

    100 - 5 = 95 discounted cost of item

    95 + 8.99 = 103.99 total cost

    It's cheaper to go and visit the physical store.
  2. 10 February, 09:39
    0
    Buy the batteries and stereo online:

    4.99*2 = $9.98 + $90 = $99.98

    6.99-5.00 = $1.99

    99.98+1.99=$101.97

    3Cds in store

    7.97*3 = $23.85

    5% tax = 1.19

    10% off = 2.39

    $23.85 - $1.19 = $22.66

    22.66 + 101.97 = $124.63

    All in store:

    12+100+23.85 = 135.85 - 6.45 = $129.40

    All online:

    9.98 + 90 + 26.85 = 126.85 + $1.99 = 128.84
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