Question

The sum of two numbers equal 20 and their diff 2.5 find the ratio of numbers.

Answer 1

Answer:

Let the numbers be 'a' and 'b' ,

a + b = 20

a - b = 25

add the equations  

2a = 45

subtract the equations

2b = -5

a / b =  9/ -1

a: b = - 9 : 1

Therefore, the required ratio is 9:1

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