Ingredients of skin: 1 kg flour, 8 Liang syrup, 2.5 Liang Mao oil and 0.45 yuan water.
Weight of crust: 10+8+2.5 = 20.5 Liang.
7 The price of two crusts: (1× 2+0.8× 3.5+0.25× 7.5+0.45) ÷ 20.5× 7.
= 7. 125 ÷ 20.5× 7 = 2.433 yuan
1 yolk: 0.75 yuan
2.8 Lotus seed paste: 7.8 ÷ 10× 2.8 = 2. 184 yuan.
1 the cost of moon cakes: 2.433+0.75+2. 184 = 5.367 is about 5.37 yuan.
Price: 5.37 ÷ (1-50%) =10.74 yuan.