Math, asked by krishamodi, 7 months ago

the sum of salaries of A and B are Rs. 2100 . A spends 80% of his salary and B spends 70% . If their savings are now in the proportion of 4:3 , what is the salary of A ?​

Answers

Answered by ishita2818
1

Clearly, A and B save 20% and 30% of their respective salaries

Let the salaries of A and B be x and y respectively

Then,

= 20% of x30% of y=43⇒x5×103y=43⇒xy=2⇒x=2y∴x+y=2100⇒2y+y=2100⇒3y=2100⇒y=700A's salary=x=2y=Rs. (2×700)=Rs. 1400

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Answered by bhumi1714
1

Answer:

salary of a is =1400 hope it is helpful make me a branlist

Step-by-step explanation:

Salaries of both A and B=2100

Let salary of A be a and salary of B be b

∴a+b=2100

A spends 80% of his salary

∴ Savings of A=20% salary

=

5

a

B spends 70% of his salary

∴ Savings of B=30% salary

=

10

3b

Savings Ratio=4:3

3b/10

a/5

=

3

4

5

3a

=

10

12

∴a=2b

a+b=2100

∴3b=2100

∴b=700

∴a=2b=1400

∴Salary of A=Rs. 1400

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