This problem is basically asking:

Which would mean 
Answer: 30°
Step by step explanation:
1) Supplementary angles add up to 180°
2) (2x+10)+(5x-40)=180
3) solve for x
4) x=30
Given: The information provided in the table shown
To Determine: From the options provided, the correct option that best describe the information given in the table
Solution
Given that 28% of the children used toothpaste. From the table

Let us calculate the percentage of adult that used toothpaste

Hence, a smaller percentage of adults (about 11%) use the toothpaste.
The correct option is OPTION C
Answer:
9:00pm
Step-by-step explanation:
If now is 5:00 am
After 1000hrs
24hrs makes a day
1000hrs = 1000/24 = 41 days remainder 16hrs
Therefore 5:00 + 16 hrs = 2100 hr
= 9:00pm
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