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9 March, 07:04

A new table is on sale for 15% off. If the sale price is $340, what was the original price?

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  1. 9 March, 07:37
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    Answer:$400

    Step-by-step explanation:

    Let them original price be cp

    Selling price=340

    Percentage decrease=15

    Percentage decrease = (cp-sp) / sp x 100

    15 = (cp - 340) / cp x 100

    Cross multiplying

    15cp=100 (cp-340)

    Opening brackets

    15cp=100cp-34000

    Collect like terms

    100cp-15cp=34000

    85cp=34000

    Divide both sides by 85

    85cp ➗ 85=34000 ➗ 85

    cp=400
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