Answer:
3.508 kg of the material
Explanation:
I think your question is missed of key information, allow me to add in and hope it will fit the original one.
Please have a look at the attached photo.
My answer:
Given that:
1 kilogram is 1000 grams.
A box that has three thousand, five hundred eight grams <=> 3508 grams
How many kilograms of the material does he have? we have got:
x kg - 3508g
<=> 1000x = 3508
<=>
<=> x = 3.508
So he has 3.508 kg of the material
Hope it will find you well.