You have a litre bottle of water.  you drink 400 millilitres.  how much water is left?

How can you find the conditional probability of a given b as the fraction of b’s outcomes that also belong to a, and interpret the answer in terms of the model? i just need a good explanation

What is the sum of these mixed numbers 2 1/8 + 4 3/8

Adj has a total of 1075 dance and rock songs on her system. the dance selection is 4 times the size of the rock selection. write a system of equations to represent the situation.