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AnnyKZ [126]
2 years ago
11

A woman bought 210 oranges for 650 she sold all of them at 3 for 20 how much profit did

Mathematics
1 answer:
inna [77]2 years ago
8 0

Answer:

750

Step-by-step explanation:

total cost = 650

total selling = 210/3 x 20 = 70 x 20 = 1400

total profit = 1400 - 650 = 750

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Graph: 20x + 3.00y is greater than or equal to 500
hram777 [196]

Do you mind if I re-arrange it slightly before we solve it ?

         You said     20x  +  3.00y  ≥  500

Subtract  20x
from each side:               3.00 y  ≥  -20x + 500

Divide each side by  3 :          y  ≥  -20/3 x  +  500/3

Make it an equation,
and graph this line:                  y  =  -20/3 x  +  500/3

The line is made out of all points where 'y' is EQUAL to
1/3 of (-20x + 500).

The inequality wants to see all the points that are equal to it
AND all the points that are greater than that.

So the graph of the inequality is the line AND every point that's
anywhere above the line.  It's called the "half-infinite plane"
bounded by the line.
5 0
3 years ago
Whats the last common multple of 2,5,6,9 and 9 is
blondinia [14]
"9 and 9?"  Did you possibly mean {2, 5, 6, 9}?

The least common multiple of a set of numbers is the smallest integer that can be divided evenly by all of the numbers.  In this case, when I saw the 9 and 5, I thought, "45!"  but 45 is not evenly divisible by 2 or 6.  

So, I tried 90.  90 is indeed divisible by {2, 5, 6, 9}, and is thus the LCM.

Look up and review "Least common multiple."

3 0
3 years ago
A plumber had two pipes. The ratio of the length of the longer pipe to the
expeople1 [14]

Answer:

4.95m

Step-by-step explanation:

Let the length of longer and shorter pipe be x and y respectively..

given,

x/y=9/2...(i)

x-1.65=3y ...(ii)

in eqn ii..

x-1.65=3y

or, x/y - 1.65/y = 3

or, 9/2-1.65/y =3

or, 4.5-3 = 1.65/y

or, y=1.65/1.5

•°• y = 1.1m

now,

x/y = 9/2

or, x/1.1 = 4.5

x= 4.5×1.1

•°• x= 4.95m

thus, the length of the longer pipe is 4.95m

7 0
3 years ago
Which of the following expressions is correct?
RUDIKE [14]

<em>l-37l=37 is the correct answer.</em>

7 0
2 years ago
What is the greatest common factor of 200 and 140 
Tanzania [10]
200|2 \\ 100|2 \\ 50 \ |2 \\ 25 \ |5 \\ 5 \ \ |5 \\ 1 \\\\200=2^3*5^2 \\\\ 140|2 \\70 \ |2 \\ 35 \ |5 \\ 7 \ \ |7 \\1 \\\\ 140=2^2*5*7 \\\\ G.C.F(200;140)=2^2*5=20
5 0
3 years ago
Read 2 more answers
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