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Wewaii [24]
2 years ago
8

Fifty-five percent of what number is 27.5?

Mathematics
2 answers:
adelina 88 [10]2 years ago
7 0

Answer:

50

Step-by-step explanation:

mamaluj [8]2 years ago
4 0
50
Because it is right
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A line passes through the point (-8,8) and has a slope of -5/4
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A rowing team rowed 90 miles while going with the current in the same amount of time as it took to row 10 miles going against th
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Answer:

The speed in still water is 5 miles per hour.

Step-by-step explanation:

distance with current = 90 miles

distance against current = 10 miles

speed in still water = s

speed of current = 4 mph

speed with current = s + 4

speed against current = s - 4

time = t

speed = distance/time

distance = speed * time

With current:

90 = (s + 4) * t

Against the current:

10 = (s - 4) * t

We have a system of equations:

90 = (s + 4) * t

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90 = ts + 4t

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Subtract the second equation from the first equation.

80 = 8t

10 = t

t = 10

10 = t(s - 4)

10 = 10(s - 4)

1 = s - 4

s = 5

Answer: The speed in still water is 5 miles per hour.

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3 years ago
What digit is the 5 in 953,187
LekaFEV [45]
The ten thousands place

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If your dinner bill was $80 and you left a 15% tip. How much money did you leave as a tip? What is your total bill cost?
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