Answer: Fraction of twins =
Fractions of triplets =
Fractions of quadruplets = 
Step-by-step explanation:
Since we have given that
Number of set of twins = 5
Number of sets of triplets = 2
Number of sets of quadruplets = 1
Total number of sets is given by

Now, we need to find the fraction of those students.
So, Fraction of twins is given by

Fractions of triplets is given by

Fractions of quadruplets is given by

Answer:
5.25 represents the cost of each radio
Step-by-step explanation:
Salutations!
Business plans are mainly aimed at ----
Business plans are mainly aimed at potential investors. You need plan your business so thoroughly to gain the attention of potential investors. Potential investors are people who give you cash (capital) to help invest you in other companies or business.
Thus, your answer is option D.
Hope I helped :D
Will you please provide more information and state a clear question