Posted in Mathematics

The answer is 20%. Let me explain.
There are a total of 20 people that surveyed right?
If 10 chose soccer and 6 chose golf that’s 16 athletes that chose another sport other than football.
20 people minus the 16 non-football lovers equals 4.
So 4 people chose football.
That means 4/20 as a fraction.
As a percent (because a percent is always out of one hundred) it’s 20% because if you multiplied the denominator to get a base of 100 and multiplied the same number to the numerator you’d get 20/100.
The number would be five because 5*20=100.
You’d change that fraction to a percent which makes it 20%. Hope this helped


Related Questions

Posted in Mathematics

Factorise 3(x+2)^2-10(x+2)+3

The answer is (x – 1)(3x + 5)

Let’s substitute (x + 2) with a:
3(x + 2)² – 10(x + 2) + 3 = 3a² – 10a + 3 =
                                      = 3a² – 9a – a + 3 = 
                                      = 3a * a – 3a *3 – (a – 3) = 
                                      = 3a(a – 3) – (a – 3) =
                                      = (a – 3)(3a – 1)

Now, substitute a with x + 2:
(a – 3)(3a – 1) = (x + 2 – 3)(3(x + 2) – 1) = 
                     = (x – 1)(3x + 6 – 1) =
                     = (x – 1)(3x + 5)

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Posted in Mathematics

Factor completely: 10ax + 5bx – 8ay – 4by

The answer is (5x – 4y)(2a + b)

10ax + 5bx – 8ay – 4by = 10ax + 5bx – (8ay + 4by) =
                                      = 5x * 2a + 5x * b – (2a * 4y + b * 4y) =
                                      = 5x(2a + b) – 4y(2a + b) = 
                                      = (5x – 4y)(2a + b)

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Posted in Mathematics

In the math equation, what is the answer for: 5 2×10

we have

 5+2*10

we know that

The rule of PEMDAS (parentheses, exponents, multiplication, division, addition, subtraction) states that you do the one that comes first.

So

In this problem

First, take the  2 and multiply it by  10, as multiplication comes before addition.

 2*10=20

Second,  take the result and add it by 5

 20+5=25

therefore

the answer is  25

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