Write -21.4 as a mixed number.

- 21 2/5

Step-by-step explanation:

Convert to a mixed number by placing the numbers on the right side of the decimal over 10. Reduce to fraction. (Good luck figuring THAT out).

3< x< 5

step-by-step explanation:

|x - 4| < 1

there are two solutions, one positive and one negative.   remember to flip the inequality when taking the negative solution

x-4 < 1       x-4 > -1

add 4 to each side

x-4+4 < 1+4       x-4+4 > -1+4

x< 5                 x> 3

3< x< 5