What is 28% as a fraction or mixed number in simplest form

Mathematics

2 answers:

dalvyx [7]3 years ago

6 0

Answer: 7/25

Step-by-step explanation: To write a percent as a fraction in lowest terms, remember that a percent is a ratio that compares a number to 100.

So here, 28% can be written as the ratio 28 to 100 or 28/100.

Notice however that 28/100 is not in lowest terms so we need to divide both the numerator and denominator by the greatest common factor of 28 and 100 which is 4.

28 ÷ 4 = 7

100 ÷ 4 = 25

Therefore, 28% can be written as the fraction 7/25.

devlian [24]3 years ago

3 0

Answer:

7/25

Step-by-step explanation:

The fraction is not reduced to lowest terms. We can reduce this fraction to lowest terms by dividing both the numerator and denominator by 4. 4 is the Greatest Common Divisor (GCD) or Greatest Common Factor (GCF) of the numbers 28 and 100.

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Area of a triangle with verticals of (-4,1),(-7,5),(0,1)

Lynna [10]

Answer:

$8 ft^2$

Step-by-step explanation:

I assume that the three points given are the vertices of the triangle. So the three points are:

A (-4,1)

B (-7,5)

C (0,1)

The area of a triangle is given by:

$A=\frac{1}{2}bh$

where b is the base and h is the height.

Here we can take as follows:

- We can take the base to be the side AC, so that its length is equal to the distance between the two points:

$AC=\sqrt{(0-(-4))^2+(1-1)^2}=4$

- The height of the triangle is therefore the perpendicular distance between AC and point B. This is equivalent the difference in the x-coordinate between any point on AC and B, so:

$h=(5-1)=4 ft$