4 x 225 = 900
17500 / 900 = 19.44
Therefore he will need 20 volunteers
Answer:
D
Step-by-step explanation:
You are going to roll two dice.
If you roll one die, then there are 6 possible outcomes: 
If you roll two dice, then there are
possible outcomes:

Here the first number is the number rolled on the first die, the second number is the number rolled on the second die.
She could switch them around by grouping them into groups of 4s, 3s, 2s, or 5s.
Answer:
27
Step-by-step explanation:
√ 25 is 5
√ 144 is 12
√ 100 is 10
5 + 12 + 10 = 27