Question

increase rupees 250 in the ratio 7 is to 5

Answer 1

7x +5x =250
12x=250
x=250/12
x=20.83
now,
7x=7×20.83
=145.83


5x=5×20.83
=104.83

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Answer 2

x +5x =250

12x=250

x=250/12

x=20.83

now,

7x=7×20.83

=145.83

5x=5×20.83

=104.83