Answer:
66.67%
Step-by-step explanation:
Marie's earnings at a new job : $15 per hour
Her earnings during training : $10 per hour
percentage of Marie's regular rate earned by her during training
= [tex]\frac{Her\ earnings\ during\ training}{Her earning\ at\ a\ new\ job}[/tex]×100
= [tex]\frac{10}{15}[/tex]×100
= [tex]\frac{200}{3}[/tex]
= 66.67%
∴percentage of Marie's regular rate earned by her during training = 66.67%