400 - 2x = 244
-2x = 244 - 400
-2x = -156
x = -156 / -2
x = 78
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
Learn more about percentages at:
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Answer
A is the symbol for parallel lines AB and XY.
Explanation
B shows that line segment AB and XY are parallel, because there are no arrows, and line segments do not extend forever.
C shows that ray AB and XY are parallel, because there is one arrow, and rays only extend on one point.
Only A shows that line AB and XY are parallel. Lines extend forever, the A shows that AB and XY are parallel, since there are arrows in both directions above AB and XY.
Answer:
show how you know .. :D good rhyme
Step-by-step explanation:
park = 4" x 6" ( inches) small park
but one inch = 30 miles ooh big park
4*30 X 6*30
120 X 180 miles... like a big game range? :? very big
since we only have 6 square inches to fit the map into... then.. what size of map would fit? what size equals 6 inches? 2 x 3 ? hmm yes that's 6
soooo shrink the 4" x 6" to 2"x 3" so the scale needs to double or
1 inch = 60 miles
2"*60 x 3"*60 = 120 x 180 miles.. looks good try that :)
Answer:
21.2
Step-by-step explanation: