Question

Find the percentage of water in a person weighing 45 kg ,if the human body consist of 2/3 of water by weight

Answer 1

Answer:

30

Step-by-step explanation:

2/3 × 45 = 30

Since every thing is given we just need to plug the numbers

Answer 2

The percentage of water is 66.6 %.

Step-by-step explanation:

To find : The percentage of water in a person weighing 45 kg ,if the human body consist of $\frac{2}{3}$ of water by weight ?

Solution :

Weight of person = 45 kg

If the human body consists of $\frac{2}{3}$  of water by weight.

The water level in a person

$\text{Water} =\dfrac{2}{3}\times45$

$\text{Water}=30\ kg$

We need to calculate the percentage of water

$W=\dfrac{\text{Weight\ of\ water}}{\text{Actual weight}}\times100$

$W=\dfrac{30}{45}\times100$

$W=66.6\%$

Therefore, the percentage of water is 66.6 %.

#Learn more

Human body consists of 66% of water .how much water will be there in a person weighting 150 kg

https://brainly.in/question/15897315