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12 September, 22:49

Jacob wants to buy three pairs of socks that normally sell at four pairs for $4.19. what is the first step jacob would use to calculate the price of three pairs of socks?

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  1. 13 September, 02:41
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    You can think of this problem in basic maths.

    You have 4 pairs of socks sold at 4.19$ and you want to buy only three.

    So in order to know the price of 3 pairs, you should first calculate the price of one pair of socks.

    use cross multiplication to get the price of one pair as follows:

    price of one pair = 4.19 / 4 = 1.0475$

    Therefore,

    price of 3 pairs = 1.0475 x 3 = 3.1325$
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