Question

11) Convert each part of the ratio 4 1 into percentage
12) If 5% of it is 600 then what is the whole quantity?
13) Which is the correct statement
(a) amount = principal x interest
(b) amount = principal + interest
(C) amount = principal - interest
(d) amount = principal/interest​

Answer 1

Answer:

12

11]Given ratio

1:4

Let x be the common ratio

∴ x and 4x are parts

% of first part =(

x+4x

x

×100)

=

5

1

×100=20%

% of second part =(

x+4x

4x

×100)

=

5

4

×100=80%

13] amount= principal + interest

Step-by-step explanation:

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Answer 2

Answer:

11) Given ratio

1:4

Let x be the common ratio

∴ x and 4x are parts

% of first part =(

x+4x

x

×100)

=

5

1

×100=20%

% of second part =(

x+4x

4x

×100)

=

5

4

×100=80%