SOLUTION: Hi, please help! Thanks! A pack of gum costs 75 cents. That is 3 cents less than three times what the pack cost 20 years ago. How much did a pack of gum cost 20 years ago?

Algebra ->  Coordinate Systems and Linear Equations  -> Linear Equations and Systems Word Problems -> SOLUTION: Hi, please help! Thanks! A pack of gum costs 75 cents. That is 3 cents less than three times what the pack cost 20 years ago. How much did a pack of gum cost 20 years ago?      Log On


   

Question 913032: Hi, please help! Thanks!
A pack of gum costs 75 cents. That is 3 cents
less than three times what the pack cost 20
years ago. How much did a pack of gum cost
20 years ago?
Answer by lwsshak3(11628) About Me  (Show Source):
You can put this solution on YOUR website!
A pack of gum costs 75 cents. That is 3 cents
less than three times what the pack cost 20
years ago. How much did a pack of gum cost
20 years ago?
***
let x=pack of gum cost 20 years ago?
3x-3=75
3x=78
x=26
How much did a pack of gum cost 20 years ago? 26 cents