Converting 9 3/8 to an improper fraction is 75/8. Converting 8 7/8 to an improper fraction is 71/8. Subtracting these, we get 75/8 - 71/8 = 4/8 = 1/2.
---
Hope this helps!
Answer:
(19.88 + 20.12) /2 = 20 middle of range
can be + or - .12 from there
| w - 20 | = distance from middle
so
| w - 20 | < .12
Step-by-step explanation:
