Today, my mother and I went shopping. There are so many food stores on the street! My mother and I are dazzled. My mother started to pick, and she picked left, right, up and down. Finally, she finally picked a tomato that she thought was good in a vegetable shop. Tomatoes cost 2 yuan a catty. She bought 1 kg 9 Liang, and she gave the vegetable vendor 3 yuan. The vegetable seller gave my mother 1 point. She bought ribs again. The ribs are 5 yuan a catty, and she bought 2 Jin and 2 Liang. She gave it to 50 yuan, the sparerib seller, and 39 yuan, the sparerib seller. She bought potatoes again. Potatoes are 1 yuan 1 kg. She bought 3 Jin and 3 Liang. She gave them to 5 yuan, a vegetable seller, and gave her 1 yuan and 70 cents. She bought bean sprouts again. These bean sprouts cost 65438 yuan. She bought five taels and gave them to the vegetable seller 1 yuan. The change is fifty cents. She bought ginger again. Ginger 2 yuan 1 kg. She bought 1 kg and a half, gave it to the ginger seller 10, and got 9 yuan change.

She spent 18.7 yuan on dinner.