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I am not understanding the exercise so I am feeling generous and giving loads of points (20).

1. Twenty-three times a certain number is much above 14 as 16 is above seven times the number: find it.

2. Divide 105 in two parts, one of which diminished by 20 shall be equal to the other diminished by 15.

3. Find 3 consecutive numbers whose sum is equal to 84.

4. The sum of two numbers is 8, and one of them with 22 added to it is five times the other; find the numbers.

5. The difference between the squares of two consecutive numbers is 121: find the numbers.

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by Opubose

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