Answer:
(B)A number line going from 48 to 51. An open circle is at 50. Everything to the left of the circle is shaded.
Explanation:
Amount of Money Earned - Amount of Money saved < $20
- Celeste saved $30
- Let Amount of Money Earned=e
Therefore:
e - 30 < $20
e<20+30
e<$50
Since e is less than, we use an open circle and shade everything to the left.
The correct option is B.