After spending $2072 on a set of jewellery, Lisa spent 4:7 of the remaining money on a dress. If Lisa had 27% of the original sum of money left, how much did she have at first?
Alison has $840. Greg has 20% less money than Alison. Beth has 3:4 as much money as Greg. How much do the three of them have altogether?
dịch ra đi zời, ai rảnh mà vừa trả lời câu hỏi, vừa dịch kia chứ
Đả bảo toán Tiếng Anh rồi mà!^^'