Each marble bag sold by Kaitlin's Marble Company contains 3 red marbles for every 2 purple marbles. If a bag has 14 purple marbles, how many red marbles does it contain?

Definition: es. this is a disadvantage or weak point that makes someone or something less effective.

Does anyone know how to do geometryme with this problem

Expresa commuter train leaves downtown sation and travels at a average speed of 55 miles per hour towards the north side sation, which is 50miles away. thirty minutes later, express commuter train #7 leaves north side and travels at a average speed of 35miles per hour towards downtown sation. at the moment the two trains pass each other, how far(in miles) is train #12 from the downtown sation and how long(in minutes) has the #12 train been traveling