chapter 5 open response
hammarskjold's student council is having a fundraising dance. it costs $125 for a dj
and $50 for decorations. the student council plans to charge $5 for each ticket.
a.) how many tickets must the student council sell before they start to make a profit?
show work and explain how you got your answer.

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