Question

if a:b =4:7 and a =20 then what is the value of b

Answer 1

Answer:

7a=4b

7*20/4=b

b=5*7=35

Answer 2

The value of b is 35

Step-by-step explanation:

Given :a:b =4:7 , a=20

To Find : what is the value of b

Solution:

Let the ratio be x

So, a = 4x

b=7x

We re given that a is 20

So, 4x=20

x=5

So, b = 7x=7(5)=35

Hence The value of b is 35

#Learn more:

If (27)x=(81)y, then x:y=?

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