Question

TO FIND RATIO WHEN NUMBERS ARE KNOWN
Illustration 1
The sum of two numbers is 40 and difference is 4. What is the ratio between the numbers ?​

Answer 1

Answer:

11:9

Step-by-step explanation:

let the numbers be x and y

x+y=40....1

x-y= 4......2

adding eq 1 and 2

2x=44

x=22.....3

plug eq3 in 1

y= 40-22

y=18

ratio= 22:18

11:9

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Answer 2

Step-by-step explanation:

let the number because x and y

By 1st condition

X+y= 40.......1

By 2nd condition

x-y= 4.......2

By adding equation 1 and 2

x+y=40

x-y=4

2x=36

x=36/2

x=18

Put x=18 in equation 1

x+y=40

18+y=40

y=40-18

y= 22

The ratio of the number becomes

X/y and x:y

The ratio is 18/22= 9/11

9:11 us the ration of the number

Hope this is helpful.

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Muskan (: