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15 May, 18:31

Toby goes on holiday to Geneva, Switzerland. In Geneva, Toby sees a watch costing 193.75 CHF (Swiss Francs). In Manchester, An identical watch costs?143 Given that?1 = 1.55 CHF a) In which city is the watch cheaper? b) By how much is it cheaper (in?) ?

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  1. 15 May, 22:22
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    Step-by-step explanation:

    1.55 CHF = ?1

    Cost of watch in Geneva in?1

    1.55 CHF = ?1

    193 CHF = ??1 which we could call x

    1.55 = 1

    193 = x

    Cross multiply

    1.55x = 193 Divide by 1.55

    x = 124.52 in x units.

    But the merchants in Manchester are charging 143 x units

    So 143 - 124.52 = 18.48 units more expensive in Manchester.
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