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3 years ago

One of the fastest times ever recorded for the 50ntard dash is 5.2 seconds.

Mathematics

1 answer:

netineya [11]3 years ago

8 0

Answer:

Ok cool.

Step-by-step explanation:

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the ratio of number of girls and boys in a class of 30 students is 7:8. if 5 new boys students admit in the class. what will be

Stells [14]

<h3>Given:</h3>

The ratio of number of girls and boys in a class of 30 students is 7:8

The ratio of number of girls and boys if 5 new boys admit in the class.

<h3>Assumption:</h3>

Let the number of students be x.

<h3>Solution:</h3>

According to the question,

7x + 8x = 30

or, 15x = 30

or, x = $\large {\tt {\frac{30}{15}}}$

or, x = 2

7x = 7(2) = 14

8x = 8(2) = 16

There were 14 boys and 16 girls in the school.

After admitting 5 new boys, we get

14 + 5 = <u>19</u>

The ratio of number of girls and boys now is 16:19.

<h2>Answer:</h2>

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Step-by-step explanation:

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3 years ago

There are 6 minutes of commercials for every 24 minutes of television.How many minutes of commercials are there in 1hour and 36

LUCKY_DIMON [66]

commercial time 6mins per 24 mins

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3 years ago

Suppose y varies directly with x and y=-25 when x=5. find y when x=3

zmey [24]

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What is 17 divided by 25

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3 years ago

One of the fastest times ever recorded for the 50ntard dash is 5.2 seconds. ​

One of the fastest times ever recorded for the 50ntard dash is 5.2 seconds.