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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Answer:
Step-by-step explanation:
do Y2-y1 and x2-x1 and then do y-10=__(+6)
The answer should be 38/7
Given data:
The given expression is 8 ⅓-5.
The given expression can be written as,

Thus, the difference of the given expression is 10/3.