Physics, asked by sheebajohn8582, 3 months ago

When a number is decreased by 25 % , it becomes 120. Find the number. In step mode

Answers

Answered by ritachow
0

Answer:

Let a number be

x

.

We know that after decrement of

25

%

,

(

100

%

25

%

)

=

75

%

remains.

So,

75

%

of

x

is

120

.

Therefore,

75

100

×

x

=

120

Simplify,

75

100

×

x

=

120

x

=

120

×

100

75

=

120

×

4

3

=

160

Thus, the number is

160

.

Answered by vishaka31
0

Answer:

480

Explanation:

Let the required no. be x

25/100 × x=120

x=120/25×100

x=480

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