Right ankle is exactly 90 degrees, while obtuse is more than, and acute is less than
15/7 is approximately 2.143
To get the result we just have to divide 3.4 liter by 0.4 liter.
3.4:0.4=8.5 - its our result.
To better undestand lets think that u have 4 piece of cake and 2 person. To know how much u can give each person u have to divide 4 piece by 2 person. Its similar situation here.
5/3 would be your best bet
