Question

_______% of 3m= 90 cm

Answer 1

Answer:

30

Step-by-step explanation:

Let the required percentage be x

Thus x% of 3 m =90 cm

We know that, 1 m = 100 cm

or 3 m = 300 cm

Thus (x/100) x 300 = 90

or 3 x =90

or x = 30

Thus, required percentage is 30

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Answer 2

3 m=3×100 cm=300 cm

Let the number be y.

According to question,

y% of 300 cm=90 cm

=>(y/100)×300 cm=90 cm

=>3y cm=90 cm

=>3y=90

=>y=90/3

=>y=30

Therefore,

30 % of 3 m=90 cm