Question

Estimate the difference of 25.92 - 5 4/10

Answer 1

Answer: 20
`(1)/(2)`

Explanation:

First of all, 5
`(4)/(10)` = 5.4

Remember, 1/10 = 0.1, 2/10 = 0.2, and so on.

This means we can change the equation to 25.92 - 5.4, which gives us 20.52.

This is close to 20.50, which is equivalent to 20
`(5)/(10)`, which is equivalent to 20
`(1)/(2)`.