Answer:
3
Step-by-step explanation:
When both sides in the pre-image are multiplied by 3, you get the image. and since it is getting bigger and not smaller, it would be a whole number aka 3.
X >- 5
-2x -4 < 3x +21
+4 +4
-2x < 3x +25
-3x -3x
-5x < +25
-5x/-5 25/-5
X > -5
8/10 = 4/5 would be the answer
Its neither 2/8 is 1/4 simplified, therefore 2/8 is = 1/4
Hope this helped!
7/10-3/10=2/5
3/10+1/10=2/5