2, 9÷ 1=9 yuan/kg 14÷2=7 yuan/kg 20÷3≈6.7 yuan/kg.

3.10 ÷ 80 = 0. 125kg25 ÷ 100 = 0.25kg Answer: 80 oil bottles can hold 0.125kg,100 oil bottles can hold 0. ..

Honey, is there a little? Give me some ~ ~ ~