Answer:
D.
Step-by-step explanation:
First try to eliminate answers.
You have to work between 30 and 40 hours to get 1565.
It's not A or B.
Now, you can see that the choices are 31, and 35
1565 is only 15 more than 1550.
It's 31.
<span>4.23 times 9 equals 38.07 :)</span>
Answer:
D
Step-by-step explanation:
Associative Property of Multiplication is a(bc) = (ab)c
d is the only one that follows the rule
