Question

Divide 72 m in the ratio 4 : 5. plz give a ans for class 6

Answer 1

Answer:

32 m and 40 m

Explanation :

Let ,

The ratio be x

Given that ;

Number = 72 m

Divide in Ratios = 4 : 5

Ratios = 4x : 5x

Sum of Ratios = 4x + 5x = 9x

Now ;

4x + 5x = 72

9x = 72

x = 72 / 9

x = 8

Now ,

4x = 4 x 8 = 32

5x = 5 x 8 = 40

Hence ;

72 m is divided into 32 m and 40 m in the 4:5 ratio .

Proof :

32 : 40

Simplification -

32 : 40

16 : 20

8 : 10

4 : 5

Answer 2

Answer:

let parts were 4x and 5x

4x+5x=72

9x=72

x=8

so parts

32cm and 40 cm