If you spend 20 yuan to buy a sweet potato and find that the weight of the sweet potato you bought is 28 Jin, and you want to know how much it costs per Jin, then you only need to divide its total price by its quality at this time. That is to say, in this case, just divide 20 by 28, and the result is the price of a catty of sweet potato. In this way, the price of a catty of sweet potato is less than one yuan, which is still relatively cheap.

As a cheap food in our daily life, sweet potato is delicious to most people. And the cellulose content in sweet potato is very high. As long as people with long-term constipation or poor defecation function can eat more sweet potatoes. Sweet potatoes can promote gastrointestinal peristalsis, accelerate the discharge of toxins, and make the body more relaxed. However, for people with intestinal indigestion, it is best not to eat sweet potatoes, although sweet potatoes have high nutritional value and high cellulose content. It can improve the digestive function of the stomach, but if we eat a lot of cellulose when the stomach is bad, it is likely to slow down the peristalsis of the intestine, which will hurt our own stomach and make our stomach at a very unhealthy level. At this time, people who are often constipated must eat more sweet potatoes.

It is completely possible to take sweet potato as the staple food in the usual diet. Although sweet potato tastes sweet and contains high sugar, it is also a low-calorie food for people who are losing weight. If sweet potato is the staple food, it can not only accelerate the metabolism of the body, but also reduce the calorie intake to a certain extent, which is also good news for dieters.

So in our daily life, if we want to know the unit price of a thing, we just need to divide its total price by its quality, and we can get the price under this unit.