Question

Giselle works as a carpenter and as a blacksmith. She earns $20 per hour as a carpenter and $25 per hour as a blacksmith. Last week, Giselle worked both jobs for a total of 30 hours, and earned a total of $690
How long did Giselle work as a carpenter last week, and how long did she work as a blacksmith?

Giselle worked as a carpenter for

 hours and as a blacksmith for 

 hours last week.

Answer 1

She worked 11hours as a black smith