Question

5:9 if we increase first element upto 40 then what will be second element ​

Answer 1

Answer:

1.8 times the first element, i.e 72

Step-by-step explanation:

5:9 = x/y

if first element x, is increased to 40, i.e

40:y = x/y

Then,

5:9 = 40:y

=> 9/5 = y/40

Cross multiply,

5y = 360

y = 360/5 = 72...

I hope you understand...

Answer 2

Answer:

40 only

Because,

In ratios the amount of increasing number is same

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