I think john spent 750 dollars but am not sure
John spent 750 dollars while Peter spent 500 dollars. This is calculated using the ratio of their spending, which is 2:3. By determining the value of each part in the ratio, John's total can be accurately found.
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Penjelasan dengan langkah-langkah:1. nak tukar isi gelas a & bkau kena guna 1 gelas kosong (gelas C) sebagai tempat simpan sementara2. langkah-langkah dia:tuang kopi dari gelas A ke gelas Ctuang teh dari gelas B ke gelas Atuang kopi dari gelas C ke gelas Bsekarang gelas A ada teh, gelas B ada kopidonee please brainliest answers