Gretchen has 110 coins. There are 30 more gold coins than silver coins. How many gold coins does Gretchen have?
Define a variable ** Let x be the number of silver coins Gretchen has
How many gold coins does Gretchen have? ** Gretchen has x+30 gold coins.
Write an equation ** x+x+30=110
Simplify ** 2*x=80
Simplify ** x=<<40=40>>40
How many gold coins does Gretchen have? ** Gretchen has 40+30=<<40+30=70>>70 gold coins
#### 70