Question

two numbers are in ratio 4:5.If 30 is subtracted from each numbers, the ratio become 1:2.from the pair of linear equations for the above situations and represent the graphically.​

Answer 1

Answer:

Let given two numbers are ' x ' and ' y  ' , So from first condition we get 

x:y = 4:5 ,

x/y = 4/5

5 x  = 4 y                                  --- ( 1 )

And from second condition we get

(x-30) / (y-30) = 1/2

x − 30y − 30 = 1/2 ,

2 x  - 60 = y -  30 ,

2 x - y =  30                         --- ( 2 )

x= 40

y = 50

May be it's helpful for you

Answer 2

Answer:Brainly.in

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Secondary School Math 5+3 pts

Two numbers are in ratio 4:5.If 30 is subtracted from each numbers, the ratio become 1:2.from the pair of linear equations for the above situations and represent the graphically.​

by Kaur3021 26.06.2019

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Answer:

Let given two numbers are ' x ' and ' y ' , So from first condition we get

x:y = 4:5 ,

x/y = 4/5

5 x = 4 y --- ( 1 )

And from second condition we get

(x-30) / (y-30) = 1/2

x − 30y − 30 = 1/2 ,

2 x - 60 = y - 30 ,

2 x - y = 30 --- ( 2 )

x= 40

y = 50

Step-by-step explanation: draw graph by yourself