Question

(e) What per cent is 3 mm of 1 cm? how step
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Answer 1

Answer:

Hence, the percentage of 3 mm of 1 cm is 30 percent (%).

Step-by-step explanation:

refer the pic

hope it's help you

Answer 2

Step-by-step explanation:

Since 1cm = 100 mm

Therefore required percentage =

$\frac{3}{10} \times 100$

percentage = 30% Answer