Q9 of 51 Page 2

Solve the equation:


By cross multiplying , we have

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7 Solve the equation: 8 Solve the equation: 10 The sum of two numbers is 45 and their ratio is 7:8. Find the numbers. 11 The sum of the digits of a two digit number is 12. If the new number formed by reversing the digits is greater than the original number by 18, find the original number. Check your solution.