Gretchen o na le madi a a kana ka 110. Go na le madi a gauta a a fetang a selefera ka 30. A o ka bona gore Gretchen o na le madi a gauta a le makae?

Gretchen has 110 coins. There are 30 more gold coins than silver coins. How many gold coins does Gretchen have?
A re re madi a selefera a Gretchen a nne 'x'
Madi a gauta a Gretchen ke x+30.
x+x+30=110
2*x=80
x=<<40=40>>40
Gretchen o na le madi a gauta a a kana ka 40+30=<<40+30=70>>70 
#### 70 

Let x be the number of silver coins Gretchen has
Gretchen has x+30 gold coins.
x+x+30=110
2*x=80
x=<<40=40>>40
Gretchen has 40+30=<<40+30=70>>70 gold coins
#### 70