Answer :
Answer:
15 more students needed
Step-by-step explanation:
If they have 16 signed up and need minimum of 21, then need an equation
1: 21-16=?
2: 21
- 16
-------
15
Answer:
15 more students needed
Step-by-step explanation:
If they have 16 signed up and need minimum of 21, then need an equation
1: 21-16=?
2: 21
- 16
-------
15