Question

a watermelon weighs 5000gm 99 percentage of its weight is water. it is kept in a dryin room and after sometime turns out that it is only 98% water by weight. what is it weight now?​

Answer 1

Answer:

2500 gm

Step-by-step explanation:

only 1% of matter was present

in the end it became 2%i.e. half water dried thus the mass turned half

P.S I knew this from Vsauce2(YouTube channel)

Answer 2

Explanation:

here ,

while drying the quantity of water will change , but the quantity of the pulp remain the same

total weight = 5000 gm

i.e 99% water = 4950 gms

1% pulp = 50 gm

we have to find the weight after drying

after drying 98% water

and pulp  is 2%  = 50 gm

thus , for calculating total weight

2% pulp  of x is = 50 gm

$x\times \frac{2}{100} = 50 \\\\x = \frac{50\times 100}{2} \\\\x= \frac{5000}{2}\\\\x =2500$

hence , The weight is 2500 gm

#Learn more :

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