Yesterday, a movie theater sold 303 bags of popcorn. A large bag costs $4. A small bag costs $1. In all, the movie theater made $687 from popcorn sales. Write and solve a system of equations to find how many bags of each size of popcorn were sold. Show ALL work! 8a.)​ The system is & . 8b.) ​There were small bags of popcorn. 8c.) ​There were large bags of popcorn.

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