Answer:
His wife gets $336 more than his son.
Step-by-step explanation:
Colin and Brian:
Ratio of 4:1.
So Colin gets
of the prize.

Colin got $1680. Dividing between himself, his wife and their son:
Ratio of 2:5:3.
So Colin gets
, his wife gets
and his son gets 
Wife:

His wife got $840.
Son:

His son got $504.
How much more does his wife get over their son?
840 - 504 = 336
His wife gets $336 more than his son.
The formula of combination is

We have

and


Hence, there are 1001 ways of arranging 10 records from 14 records
Y 50 I think it is I am not to sure
Answer:
The answer is 3.
Step-by-step explanation:
Given that the Indices Law is,


So the expression is :




