Question

Find the reduced form of the ratio of first quantity to the second one:
i) 7 minutes 20 seconds to 5 minutes 6 seconds
ii) 5 litres to 2500 ml
iii) 3.8 kg to 1900gm

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Answer 1

Step-by-step explanation:

hello friend

given

1) 7 minutes 20 seconds : 5 minutes 6 seconds

1 min = 60 seconds

that gives 7 minutes 20 seconds = 7×60 + 20 = 440

and 5 minutes 6 seconds = 5 ×60 + 6 = 306

now ratio is 400 sec : 306 sec = 200 : 153

now

2) 5 litres to 2500 ml

we know that 1 litre = 1000 ml

that gives 5 litres = 5×1000 = 5000 ml

now ratio is 5000 ml : 2500 ml = 2 : 1 (2500 table)

finally

3)3.8 kg to 1900 gm

we know that 1 kg = 1000 g

that gives 3.8 kg = 3 kg 800 gm = 3×1000 + 800

= 3800 gm

now ratio becomes 3800 gm : 1900 gm

that gives 2 : 1 (1900 table )

or u can solve the ratio by taking 2 table then so on but I have done to get simplest ratio

hope it helps you

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