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13 October, 13:49

The ratio of money in Obi's wallet to Rudy's wallet one day was 5:2. Obi spent £20 that day. Obi now had £8 less than Rudy. How much did they have initially altogether?

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  1. 13 October, 14:05
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    Initially, they have £28 altogether

    Step-by-step explanation:

    Obi: Rudy=5:2

    this means that Obi had 5x and Rudy has 2x in their wallets.

    Obi spent £20 and 5x-20 left. Obi now had £8 less than Rudy

    thus,

    2x - (5x-20) = 8

    2x-5x+20=8

    -3x=-12

    x=4

    obi = 5x

    =5*4

    =20

    Rudy = 2x

    =2*4

    =8

    This means that initially Obi had £20 and Rudy had £8

    Total if Rudy and obi

    =£8+£20

    =£28
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