Question

Express 30 cm as a per cent of 2 m 40 cm.​

Answer 1

Answer:

12.5% . Hope it helps you

Step-by-step explanation:

2m 40 CM =240 CM

so by percentage formula

30/240 × 100

1/8 × 100

= 25/2

so it is 25/2

=12.5%

Answer 2

Step-by-step explanation:

we know that, 1m=100cm

therefore 2m=2×100cm=200cm

2m40cm=200+40=240cm

using percentage formula

$\frac{30}{240} \times 100 \\ \frac{1}{8} \times 100 \\ \\ \frac{25}{2} = 12.5 \\ therefore \: 12.5cm \: is \: the \: correct \: answer$