Giải giúp mình ik
trả lời tiếng việt cũng dc
----- Nội dung dịch tự động từ ảnh -----
Mrs Siva has some stamps. If she gives 7 stamps to each of her pupils, she will have 5 stamps left. If she gives 13
stamps to each of her pupils, she will need 61 more stamps.
How many pupils does she have?
