1.a clown made 3 times as many balloon hats as balloon dogs. he made 4 more balloon dogs than balloon swords. write an algebraic expression for the number of balloon hats the clown made.
2.in the algebraic expression 7/y what is coefficient of y? explain.

One cell phone plan charges $20 per month plus $0.15 per minute used. a second cell phone plan charges $35 per month plus $0.10 per minute used. write and solve an equation to find the number of minutes you must talk to have the same cost for both calling plans.