Answer: 8/9 questions
Step-by-step explanation: 312/36= 8.6...
The answer depends on if you want to round up or down.
Answer:
Step-by-step explanation: its 56
Answer:
C. 135 (I saw D in the comments, but that's incorrect.)
Step-by-step explanation:
Took the quiz like 5 minutes ago. (I do home school, so we instantly get out grades rather than having to wait.)
The number of computers increased by 38.9%
Step-by-step explanation:
Number of computers at start of week = Old value = 18
Number of computers by end of week = New value = 25
Change = New value - Old value
Change = 25-18 = +7
The positive sign indicates the increase.
Increase percent = 

Rounding off to nearest tenth
Increase percent = 38.9%
The number of computers increased by 38.9%
Keywords: difference, percentage
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