Question

what per cent is 400 m of 1 km​

Answer 1

Answer:

40 %

Step-by-step explanation:

1 km - 1000 m

Therefore,

x percent of 1000 is 400

$= \frac{x}{100} = \frac{400}{1000} \\ = x = \frac{400 \times 100}{1000} \\ = x = \frac{40000}{1000} \\ = x = 40$

Hence, the answer is 40%

Answer 2

Answer:

1km= 1000m

400m of 1000m

Step-by-step explanation:

Let 400 m be x percent of 1000m

x. *1000=400

100

10x=400

×=400

10

x=40 percent