[HÃ++Duy+Khoái] [Mù chữ] [Three friends ate lunch and spent a total of $43.05. They each bought the same meal for $10.35, and they each bought the same dessert.Write and solve an equation to determine the cost of the dessert, d.] [Mikhain Bungacốp] [tá»± luyện giải toán theo chá»§ đỠTHCS] [L�� � �o] [ ���á» c tÒ¢m] [���á»� thi chá»�n ����á»���i tuyá»��n há»�c sinh giá»�i mÒ´n ToÒ¡n lá»⬺p 12 t��] [Trần trung chÃÂnh] [dương trạch]