Answer:
3rd and 4th options are correct that is 24 hours per day and 7 days per week.
Step-by-step explanation:
We need to find the conversion factors that can be used to find number of hours in a week.
We know that,
Number of hours in a day = 24
and
Number of days in a week = 7
So, Number of hours in 7 days = 24 × 7 = 168.
Therefore, 3rd and 4th options are correct that is 24 hours per day and 7 days per week.
B. is the only correct choice of those listed
25/100=30/x x=120 (30+70y)/(120+100y)=50/100 100y=?
Answer:
Step-by-step explanation:
Circumference=72
pi=3.14
Radius=C
/2π
72/6.28=11.4649681529
Rounded to the whole would be 11
=11
Answer:
1
when using a quadratic ration 1 is the formatted answer
Step-by-step explanation: