Answer:
0.55
Step-by-step explanation:
22/40 = 0.55
Answer:
1,600 dentists were surveyed in total.
Step-by-step explanation:
We can set up a proportion for this problem:

Now we can cross multiply:

1,600 dentists were surveyed in total.
125 ÷ 3 = 41.6666666667
41.66666666667 X 2
= 83.3333......
Technically not correct, because you cannot split sixth graders into pieces, so you would probably round it to 84 students.
Answer:
20
Step-by-step explanation: