1, 1 kg flour can fry 8 fried dough sticks, so1kg flour can fry 80 fried dough sticks, which means it can be sold in 80 yuan.

2. 10 kg of flour and 5 kg of oil were used to fry 80 fried dough sticks. Then the cost is10 *1.6+3.5 * 5 = 33.5 yuan.

3. The profit percentage is 80-33.5/80=58. 125%.

Fried dough sticks are an ancient Han pasta, a long and hollow fried food with a crisp and tough taste, which is one of the traditional breakfasts in China.

The name of fried dough sticks varies from place to place. "Tianjin calls fried dough sticks fruit; Some areas in Anhui are called avocados; Northeast is called big fruit; Fujian and other places in southern Fujian are called blowing up ghosts.

Chaoshan area and other places are called fried fruit; Zhejiang province has a name for natural tendons (natural tendons are loofah, and old loofah leaves tendons after drying and peeling, which is very similar to the shape of fried dough sticks, so it is called natural tendons).

Fried dough sticks enter the oil pan, the foaming agent is heated to generate gas, and the fried dough sticks expand. However, due to the high oil temperature, the surface of the fried dough sticks immediately hardened, which affected the continuous expansion of the fried dough sticks, so every two fried dough sticks were stacked up and down with bamboo chopsticks in the middle.

The steam and foaming gas between the two dough pieces are constantly overflowing, and the hot oil can't contact the joint of the two dough pieces, so that the dough pieces at the joint are in a soft dextrin state, constantly expanding, and the fried dough sticks are more and more fluffy.