Answer:
she only needs to work ten hours
Explanation: if you subtract 45 from 115 you well end up with 70 a and if you work for ten hours 7 ×10=70 so you would have enough.
4th answer is the answer for theis question because they are equivalent
A. 10% is the answer
Step-by-step explanation:
Answer:
200 kids
Step-by-step explanation:
Answer:
1330
Step-by-step explanation:
Use to formula...
21!/((21-3)!(3!) = 1330
