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Tems11 [23]
3 years ago
12

What is 80% more than 20.00

Mathematics
2 answers:
AlekseyPX3 years ago
5 0
Answer is 36.
20 * 80/100 = 16
20+16=36
Mamont248 [21]3 years ago
5 0
<h2>Answer:</h2>

             80% more than 20 is:

                             36

<h2>Step-by-step explanation:</h2>

80% more than twenty means that there is an addition of 80% of 20 to the amount 20.

i.e. we have to calculate 80% of 20 and add it to 20 to get the total amount.

Now, 80% of 20 is:

=\dfrac{80}{100}\times 20\\\\\\=\dfrac{1600}{100}\\\\\\=16

Now, 80% more than 20 is equal to:

             20+16=36

    Hence, the quantity is:

               36

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At a university, 6 out of every 13 students live on campus; if there are 156 students enrolled how many live on campus?
Andru [333]

Answer:

72

Step-by-step explanation:

156 divided by 13 times 6.

3 0
2 years ago
Read 2 more answers
Which method is best using this equation 4x-2y=-2,-5x+6y=-15 and why
kipiarov [429]
I think that using the elimination method is the best, because it is the only method that I use when solving these types of equation. For example, for these two equations, you need to multiply one of the equations by a certain number so that you'd be able to find x and y. The elimination method is the method that tells you to do that. It is also the easiest method.

~Hope I helped!~
8 0
3 years ago
Peter is buying office supplies he is able to buy three packages of paper in for staplers for $40 or he is able to buy five pack
Damm [24]

<u>Answer:</u>

Cost of package of paper = 4$

Cost of stapler = 7$

<u>Explanation:</u>

Consider the cost of package of paper = x and that of stapler = y.

Now, we are given that cost of 3 paper packages and 4 staplers = 40$

Hence we get, 3x + 4y = 40 as 1st equation.

we are also given, cost of 5 paper packages and 6 staplers = 62$

Hence, the second equation is 5x + 6y = 62

Now, solving the two equations by method of elimination, we first equate coefficients of any one variable say x by multiplying 1st equation by 5 and second by 3 we get ->

15x + 20y = 200

15x + 18y= 186

Subtracting the two we get y = 7 and substituting this value of y in first equation we get x = 4

which gives the required cost of one paper package = x = 4$

and one stapler = y = 7$

7 0
3 years ago
15 POINTS! someone pls answer
photoshop1234 [79]

Answer:

2(\frac{1}{2} *20*50)+2(\frac{1}{2} *20*10)

Step-by-step explanation:

The formula for the area of a triangle is \frac{1}{2} *b*h

The triangles that can be made is the triangle that has legs 20 and 50 and the triangle that has legs 20 and 10.

Since there are 2 of each triangles, we get:

2(\frac{1}{2} *20*50)+2(\frac{1}{2} *20*10)

The answer that fits is the first option.

5 0
3 years ago
Will mark as branilest and heart if help
Natali5045456 [20]

Answer:

B

Step-by-step explanation:

as the easiest way to calculate without the help of a calculator ¯\_(ツ)_/¯

3 0
2 years ago
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