The ratio of two natural numbers is 5:9. If the difference between thrice the larger number and twice the smaller number is 68, find the two numbers.
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20, 36
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Given :-
• The ratio of two natural numbers is 5:9
• Difference between thrice the larger and twice the smaller number is 68
To Find :-
• Those numbers
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★ Put x in the ratio
• Numbers are 5x , 9x
• Thrice the larger number is 3(9x)
• Twice the smaller number is 2(5x)
★ According to question :-
• 3(9x) - 2(5x) = 68
=> 27x - 10x = 68
=> 17x = 68
=> x = 68/17
=> x = 4
Put the value of x in the ratio
=> 5 × x = 5 × 4 = 20
=> 9 × x = 9 × 4 = 36
Hence, the numbers are 20 and 36 respectively.
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