4 groups of ___ tenths is 1.6

Given:

4 groups of ___ tenths is 1.6.

To find:

The value for the blank.

Solution:

Let the unknown value be x.

4 groups of x tenths is 1.6.

Divide both sides by 4.

So, 4 groups of 0.4 tenths is 1.6.

Therefore, the required answer for the blank is 0.4.

answer: c.  

step-by-step explanation:

mixtures containing substances that get attracted to magnet can be separated using a magnet. we can separate iron from a mixture of sand and iron, as only iron attracts to the magnet.