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STatiana [176]
3 years ago
12

In a school there are 1800 boys and 1200 girls. In an exam only 32 % of the boys passed and 50 % of the girls passed. Find the p

ercentage of the total who did not pass.​
Mathematics
1 answer:
Alex73 [517]3 years ago
5 0

Answer:

Step-by-step explanation:

The total number of students is 1800 + 1200 =  3000

The % of boys who did not pass is 100% - 32% = 68%

The number of boys who did not pass is 68/100 * 1800 =       1224

The % of the girls who did not pass is 100%  - 50% = 50%

The number of girls who did not pass was 50/100 * 1200 =    600

The total number who did not pass was                                  1824

The % who did not pass was 1824/3000 * 100 = 60.8%

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Answer:

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Determine whether each equation represents a proportional relationship
wlad13 [49]

Hey there! I'm happy to help!

A proportional equation follows the form y=kx, where k is the constant of proportionality.

Answer 1 is wrong because there is something added.

2 is correct as it follows this format.

3 is incorrect as it does not follow this format.

4 is correct as it follows the format (k is 1)

5 Is correct because it follows this format.

6 is not correct because there is a 1 added, which does not follow the format.

Therefore, the correct answers are 2, 4, and 5.

Have a wonderful day! :D

4 0
3 years ago
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kramer

Answer:

C. 25:4

Step-by-step explanation:

Total number of plants in Robert's garden = 8 + 4 + 16 + 22

= 50

Number of tomato plants in Robert's garden = 8

Ratio of total number of plants to the number of tomato plants = 50 : 8

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50 : 8 = 25:4

4 0
3 years ago
Place the numbers in order from greatest to least.90.9890.08990.989.8990
padilas [110]

EXPLANATION:

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Now we are going to order the numbers of the exercise,

The correct order is:

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6 0
1 year ago
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Dahasolnce [82]
FRACTIONAL FORMAT:

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= 600/200 + 100/200

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= 7/2

DECIMAL FORMAT:

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= 3.0 + 0.5

= 3.5
3 0
3 years ago
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