3. The sum of two numbers is 45 and their ratio is 7:8. Find the number
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Let the common ratio be x
One number=7x
Other number =8x
Sum of the numbers = 45
7x+8x=45
15x=45
x=3
One number= 7x =7×3= 21
Other number = 8x = 8×3 = 24
Ans) The numbers are 21 and 24.
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