DumbjhitMeriaa DumbjhitMeriaa

06-09-2018
Business

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

Respuesta :

shinberg shinberg

06-09-2018

20+8h=52

subtract 20 on both side

8h=32

divide both sides by 8

h=4

so you worked 4 hours

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