Our city is going to host a local film festival next year, and they will be accepting short films from local youth videographers.  The winner gets a big cash prize and gets to go to a videography summer camp! 

I plan to enter an action scene with characters from Avengers 2.  I need to start saving for the entry fee now.  I earn $200 each month doing chores, and for each of the next 4 months, I think I’ll be able to save $35.  After that, more of my money will have to go to costumes and props, but I’ll still try to save 10% of my allowance. 

Can you help me write an equation that will show my total savings by end of April, 2015?

If I start saving on June 2014, how much money will I be able to save? How about if I start saving by September 2014?