Respuesta :

Answer: 6.5 hours on Friday

Step-by-step explanation:

Friday = x hours

Saturday = x-3 hours

Total hours in 2 days = 10 hours

x+x-3=10

2x-3=10

2x=10+3=13

x=13/2=6.5 hours

x-3=6.5-3=3.5 hours

So, Friday is 6.5 hours and Saturday is 3.5 hours