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fgiga [73]
3 years ago
14

if selina 8% commission on sales.on one sale,her commission was $20.40.what was the amount of that sales

Mathematics
1 answer:
Art [367]3 years ago
5 0

Answer:

255

Step-by-step explanation:

8

20.40

=

100

x

%

$

8

x

=

20.40

×

100

x

=

20.40

×

100

8

x

=

$

255

Method 2:

20.40 x

% you want

% you've got

20.40

×

100

8

=

$

255

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12% 0f 72 is what number
earnstyle [38]

12% of 72 is:

=12×72/100

=8.64

So the 12% of 72 is 8.64 is your answer.

7 0
3 years ago
Find the mean,median,mode and range for each set of data its 23,27,24,26,26,24,26,24
lilavasa [31]

Mean is the average of the data set, which is found by adding all values together and then dividing that sum by the number of data values.

Median is the middle number of the data set, and can be found by ordering the values from least to greatest. If there are two middle numbers, the average of the two would be the median.

Mode is the number that shows up most frequently in the data set.

Range is found by subtracting the lowest number from the highest number in the data set.

<u>Set 1</u>

Mean:

18+20+22+11+19+18+18=126

126÷7=18

Median:

11, 18, 18, 18, 19, 20, 22 →  18

Mode: 18

Range: 22-11=11

<u>Set 2</u>

Mean: 23+27+24+26+26+24+26+24=200

200÷8=25

Median:

23, 24, 24, 24, 26, 26, 26, 27 → 24+26=50 → 50÷2=25

Mode: 24 and 26

Range: 27-23=4

4 0
3 years ago
Read 2 more answers
Pinky bought four books. The average price of these books is rupees 200 ,what is the price of one of these book
ira [324]

Answer:

50

Step-by-step explanation:

4 books = 200

1 book = x

Now do cross multiplicaton and divide:

1 x 200 ÷ 4

200 ÷ 4

50

4 0
3 years ago
7/9 in simplest form
ozzi
Find the GCD (or HCF) of numerator and denominator
GCD of 7 and 9 is 1Divide both the numerator and denominator by the GCD
(7/1)/(9/1)Reduced fraction: 7/9
8 0
3 years ago
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-3 1/2 + -2 + 4 1/4 = ????
mylen [45]

Answer:

-1 1/4

Step-by-step explanation:

6 0
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