I think the answer to you question is 35 i might be wrong tho but it may work.
2.385 can be written as 2385/1000, which is equivalent to 477/200. As a mixed number it is writte as 2 77/200. Hope I helped!
So first thing we have to realise is that we have to make them have equal denominators. So,
.
Now order the fractions....so,
Now we can see why 
is greater than 
but less than 
Eight less than ten is another way of saying 10-8. So it is saying 2 times a number is 82. This can be represented as 2x=82. Divide both sides by 2 to get x=41. So the "number" is 41.
