Which of the following expressions is equal to tan245°?
1 answer:
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<u>Answer:</u>
Annual Income of A=
and
Annual Income of B=
<u>Step-by-step explanation:</u>
<u>Given Data:</u>
Ratio of annual income of A and B=4:3
Ratio of expenditures of A and B=3:2
Saving of A and B=1000
<u>Required:</u> Annual Income of A and B=?
<u>Solution:</u>
If ratio of income of A and B is 4:3
then let Income of A= and Income of B=
If ratio of expenditure of A and B is 3:2
then let expenditure of A= and expenditure of B=
Therefore,
...........
and ..........
subtracting Eq(1) and Eq(2), we get
putting in Eq(1), we get value of
as
because x and y are equal in Eq (3)
Now, Annual Income of A=
and Annual Income of B=