during summer vacation, you charge people $8 per hour for swimming lessons and a $20 registration fee. if you make $52 a day, how many hours did you spend teaching lessons?

Respuesta :

Answer:

4 hours

Step-by-step explanation:

so you take 20 away from 52 which leaves 32 so 8 divided by 32 because it is 8 an hour it gives you 4 hours