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Questions for Graded Discussion Board
Q1. The Salaries of Yasmeen and Adnan are in the ratio 1 : 2. If the salary of each is increased by Rs. 3000, the new ratio becomes 40 : 57. What is Adnan's present salary?
Q2. A man spends 2/7 of his income on food and 3/7on clothing. If he still saves Rs. 500, what is his total income?
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57x +171,000=40y +120,000
40 will multiply on eq1
add eq 2 and 3
-23x +0= -51000
putting the value of x=2217.4 into eq 1
so now we find the present salary of adnan
present salary of adnan = y+3000
put the value of y
present salary of adnan=4434.8+3000
present salary of adnan=7,434.8
so the salary of adnan is 7435
Let’s spouse that
Total income = x
Spends on food =2/7x
Spends on clothing =3/7x
x = 2/7x +3/7x +500
x= 5/7x + 500
(7)x= (7)(5/7x + 500) ( 7 are multiply b/s)
7x= (7)(5/7x)+ 500(7)
x = 1750
Hence the total income of the man is Rs.1750
What if I say Adnan's salary is 6000 and that of Yasmeen is 3000.
It is Yasmeen:Adnen = 1:2
Now salary after 3000 increase 40 times and 57 times:-
Yasmeen : Adnan
40x3000 : 57x3000
120000 : 171000
So now salary of Adnan is Rs 6000 (simple)
No. its wrong. Mansoor Elahi. ur answer is not correct.
Let the salary of yasmeen =x -----------------Eq (1)
Let the salry of adnan =2x ----------------------Eq (2)
According to given Condtion
For new salary of Adnan=Old salary+3000
For old salary of Adnan put value of "x " in Eq (2)=2(2217.4)
old salary of Adnan=4434.8
New salary of adana=old slary+3000
new salary of adnan=4434.8+3000
New Salary of Adnan=7434.8
ye sahi h naaa
Let the original salaries of yasmeen and adnan be Rs. 1x and Rs. 2x respectively.
Then, 1x + 3000 = 40
2x + 3000 = 57
57(1x + 3000) = 40(2x + 3000)
So the present salalry of Adnan is =2x+3000