Question

Express ratio in lowest terms:

4m to 80cm

Answer 1

HELLO MATE.....

when,4m and 80 cm
Then, 4m = 400cm
Now,80/400
so,1/5
ratio =1:5

Answer 2

The ratio of 4 m to 80 cm is 5 : 1

Given :

The quantities 4 m and 80 cm

To find :

The ratio of 4 m to 80 cm

Concept :

Ratio :

Ratio means comparing of two quantities

The ratio of a number a to another number b ( where b ≠ 0) is a fraction a/b and it is written a : b , the first term a is called antecedent and the second term is called consequent

Solution :

Step 1 of 3 :

Write down the given quantities

The quantities are 4 m and 80 cm

Step 2 of 3 :

Express them with same unit

The given quantities are of different unit

We express them with same unit

1 m = 100 cm

∴ 4 m = 400 cm

Step 3 of 3 :

Find the ratio

Hence the required ratio

= The ratio of 4 m and 80 cm

= 400 : 80

$\displaystyle \sf{ = \frac{400}{80} }$

$\displaystyle \sf{ = \frac{400 \div 80}{80 \div 80} }$

$\displaystyle \sf{ = \frac{5}{1} }$

$\displaystyle \sf{ = 5: 1 }$

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