Question

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Answer 1

Answer:

15. let the two numbers be 5 x and 3 x

according to question,

5x-3x=18

2x=18

x=9

therefore the numbers are 45 and 27

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Answer 2

Answer:

Q. 12

Step-by-step explanation:

Let's take breath as x

Then length =2+2x

Now Perimeter of the swimming pool=2*(l+b)

Then equation will be

2*(l+b)=154

2( 2+2x +x)

2+3x=77

3x=75

X=35m