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makvit [3.9K]
3 years ago
9

What is the percent change of 55 to 35

Mathematics
2 answers:
lara [203]3 years ago
8 0

<span>Here we will show you how calculate the Percent Change from 55 to 35.

Basically, we are trying to find the change from 55 to 35 in terms of percent. We do this in three steps:

1) Find the difference between 55 and 35 as a number.

2) Divide the result from Step 1 by the starting number 55.

3) Multiply the result from Step 2 by 100 to get it in terms of percent.

The three steps above can be made into a formula. Thus, to find the percent change from 55 to 35, we use this formula:

((Y-X)/X)*100 = Percent Change

X is the starting number 55, and Y is the ending number 35 that it changed to. When we enter these numbers into the formula, we get:

((35-55)/55)*100 = -36.36%

Thus, the answer to the question "What is the Percent Change from 55 to 35?" is:

-36.36%


Note: All percent answers are rounded to the nearest two decimals if necessary.</span>
SCORPION-xisa [38]3 years ago
7 0
57.14285714285714% is the answer

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Complete question

mr. whittaker’s science class uses tide gauges to measure annual variations in water levels at different parts of a river, and then compares those variations to the average annual trend. matea recorded that the water level in one part of the river fell 1.05 millimeters per year for 2.48 years. this data will be compared to the average annual trend, which shows the water level rising 1.8 mm/year.

1) Which number represents the rate at which the water level fell?

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b. -1.8 mm/year

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d. -2.48 mm/year

2) Which number should the rate be multiplied by to find the total variation in water level?

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Answer:

1) Which number represents the rate at which the water level fell?

a. -1.05 mm/year

2) Which number should the rate be multiplied by to find the total variation in water level?

c. 2.48 years

Step-by-step explanation:

Total Variation in the water level is calculated by multiplying the rate at which the water level and number or years at which the rate of the water level fell

From the question, we can see that the rate at which the water level fell is -1.05 mm/year and number of years at which the water level fell is 2.48mm

Hence,Total Variation in the water level is calculated as

-1.05 mm/year × 2.48 years

Total variation in the water level = -2.604mm

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