After eating 25% of the jelly beans, brett had 72 left. how many jelly beans did brett have originally?

Two lines that do not intersect are skew. always sometimes or never

Amerchant has coffee worth $60 a pound that she wishes to mix with 50 pounds of coffee worth $90 a pound to get a mixture that she will sell for $70 a pound. how many pounds of the & 60 coffee should be used?

In the diagram, the ratio of ab to ae is (1/2) . what is the ratio of the length of to the length of ?