4 x 225 = 900
17500 / 900 = 19.44
Therefore he will need 20 volunteers
Answer:
Step-by-step explanation:
9514 1404 393
Answer:
-31/15
Step-by-step explanation:
Put the numbers in the expression and do the arithmetic.

__
Your graphing calculator can probably help with this.
Answer:
3
Step-by-step explanation:
its so easy all you have to do is 12-9=3