4. is it legal for a man in scotland to marry his widows sister?\n○ yes\n○ no\n\n5. divide 30 by 1/2 and add…

4. is it legal for a man in scotland to marry his widows sister?\n○ yes\n○ no\n\n5. divide 30 by 1/2 and add 10. what is the answer?\n○ 10\n○ 25\n○ 50\n○ 70\n○ 90
Answer
4.
Brief Explanations:
A widow is a woman whose husband has died. So a man cannot have a widow while he is alive. Thus, it's impossible for him to marry his widow's sister.
Answer:
No
5.
Explanation:
Step1: Calculate division
Dividing by a fraction is equivalent to multiplying by its reciprocal. So $30\div\frac{1}{2}=30\times2 = 60$.
Step2: Calculate addition
Add 10 to the result of the division: $60 + 10=70$.
Answer:
70