Answer:
Step-by-step explanation:
77/8= 9.625 and 31/4= 7.75...so 9.625-7.75= 1.875
Answer:
C) 40
Step-by-step explanation:
For every one day your work is 5 hours.
1 day = 5 hours
Set up a proportion so it would be:

4 days x 5 hours = 20 hours/week
So now you know you know you work 20 hours/week, then multiply by 2 since they're asking how many hours will you work in two weeks:
20 hours x 2 weeks = 40 hours in two weeks
Answer:
C, 4.123
Step-by-step explanation:
√(17) which equals 4.12