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lukranit [14]
3 years ago
5

If 196 soldiers are arranged in a square field how many soldiers are there in the first row? ​

Mathematics
1 answer:
Kaylis [27]3 years ago
8 0

Answer:

49

Step-by-step explanation:

We will need the Perimeter formula to find this out. The perimeter of the square in this problem is 196 for the soldiers. P=4a, 196=4a. Divide both sides by 4. 49 = a, so 1 side is 49.

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For every 3 laps that Jackie swims, Ronnie swims 4 laps. During practice, they swam a combined total of 63 laps. How many laps d
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Answer:

36 laps Ronnie swim during practice .

Step-by-step explanation:

Let us assume that the laps that Ronnie swims be x .

Let us assume that the laps that Jackie swims be y .

As given

For every 3 laps that Jackie swims, Ronnie swims 4 laps.

i.e

3 × laps that Ronnie swims = 4 × laps that Jackie swims

3 × x = 4 × y

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Equation becomes

x + y  = 63

Thus by using 3x = 4y .

y = \frac{3x}{4}

Thus

x +\frac{3x}{4} = 63

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x = 36

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36 + y = 63

y = 63 - 36

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Therefore the 36 laps Ronnie swim during practice .

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