Question

if 4a=8b, what is the ratio of a to b?

Answer 1

4a = 8b

=> 4a/8b = 1

=> a/2b = 1

=>a = 2b

=> a/b = 2

=> a/b = 2/1

=> a:b = 2:1 [ANSWER]

Therefore a:b is 2:1 .

Answer 2

The ratio of a to b is 2 : 1

Step 1: Given data

4a = 8b

Step 2: To find

The ratio of a and b.

Step 3: Finding solution

Ratio: Ratio means how many times a number contains another. Ratio must always in the simplest form only. For example Arun has 6 glass and Bala has 8 glass, the ratio is 6 : 8. It is denoted as simplest form as 3 : 4.

Now we have to find the ratio of a and b.

4 a = 8 b

$\frac{a}{b}$ $=$ $\frac{8}{4}$

$\frac{a}{b}$ $=$ $\frac{2}{1}$

Hence a = 2, and b= 1.

Then the ratio of a to b is 2 : 1.

To learn more...

1) If 30% of (B – A) = 18% of (A + B), then the ratio A : B is equal to

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2) The number 650 is decreased to 500 in the ratio a:b; find the ratio a:b

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