15% of (a+b)=25%of (a_b) then what percent of b equal to a
Answers
Answered by
2
15
%
of (A+B)
=
25
%
of (A-B)
⇒
15
100
(
A
+
B
)
=
25
100
(
A
−
B
)
⇒
15
(
A
+
B
)
=
25
(
A
−
B
)
⇒
15
A
+
15
B
=
25
A
−
25
B
⇒
10
A
=
40
B
⇒
A
=
4
B
Now, let
x
%
of B is equal to A
∴
x
100
×
B
=
A
⇒
x
100
×
B
=
4
B
∴
x
=
400
%
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Answered by
3
Answer:
400%
Steps of Explanation:
It is given that ,
15 of ( a + b ) = 25 of ( a - b )
15( a + b ) = 25 ( a - b )
Divide both sides with 5 we get,
3( a + b ) = 5( a - b )
3a + 3b = 5a - 5b
3b + 5b = 5a - 3a
8b = 2a
2a = 8b
a = 8b/2
a = 4b
a = [ ( 4 × 100 )/100 ]b
a = 400 % b
Therefore ,
400% b is equal to a
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