Help please! Two school students bought 26 notebooks. Kak they have to divide notebooks if Dima gave on purchase of notebooks 24 rubles, and Sasha - 28 rubles?

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24+28=52 (rub) - It they together spent 52:26=2 (rub) - It is the cost of one notebook 24:2=12 (thetas.) - Dimina of a notebook 28:2=14 (thetas.) - Sashina of a tetradiob they spent 24+28=52 rubles 52/26=2 rubles the price of 1 notebook of 24/2=12 notebooks to Dima, 14 notebooks to Sasha
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