Sole the following problems by setting up a proportion, then solving by cross multiplying. if possible, set up the proportion as a single step proportion for the porblem. Marco and Justin received prize money in the ratio 3:4. Justin(who won more of the money) received $16, how much money did Marco receive 1

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

Afamily has five members. a mom, a dad, two sisters, & a brother. the family lines up single file. what is the probabillity that the mom is at the front of the line

Find the zeros of each function. f(x) = 6x^2 - 7x - 20