, Financial Maths
Converting amounts to %
x
T Make out of 10 1 x
by 100
80 %
Percentages of amounts
IS % of 6 0
M1 =
100 % =
60
1%
=
06 .
Full amount
15 %
=
0 6x1S
.
make 1 %
a
=
X by %. No .
ma fraction
concel 9
of
selve
by
2
9
Finding amounts from%
24 % Of 144
=
x
2 = 144 + :
by " as fraction
x =
144x ICF
x =
600
%I n c re a s e a decrease
bought & All I sold at profit of 28 %
mi = x4
88
-
100
% X
by amount
=
4 + 0 88 .
add to initial amont
=
RU So .
*
2 : to t a l amn a
n
=
11 80 .
Ratio decrease
Decrease 100 in 11 :
7
180x
400
7
57 I .
Increase 100 in 4 :
100 x Y
17S
Converting amounts to %
x
T Make out of 10 1 x
by 100
80 %
Percentages of amounts
IS % of 6 0
M1 =
100 % =
60
1%
=
06 .
Full amount
15 %
=
0 6x1S
.
make 1 %
a
=
X by %. No .
ma fraction
concel 9
of
selve
by
2
9
Finding amounts from%
24 % Of 144
=
x
2 = 144 + :
by " as fraction
x =
144x ICF
x =
600
%I n c re a s e a decrease
bought & All I sold at profit of 28 %
mi = x4
88
-
100
% X
by amount
=
4 + 0 88 .
add to initial amont
=
RU So .
*
2 : to t a l amn a
n
=
11 80 .
Ratio decrease
Decrease 100 in 11 :
7
180x
400
7
57 I .
Increase 100 in 4 :
100 x Y
17S
