Question

A tin has 20 pastries. The total weight of the tin and the pastries is 1kg 850g. If each pastry weighs 45g, find the weight of the empty tin.​

Answer 1

Answer:

750 g

Step-by-step explanation:

Here's your answer  

Weight of tin and pastries -

= 1 kg 750 g

= In g = 1 X 1000 + 750

= 1000 + 750 = 1750 g

Weight of 1 pastries = 50 g

Weight of 20 pastries = 50 X 20 = 1000 g

Weight of tin box

= Weight of tin and pastries - Weight of all pastries

= 1750 g - 1000 g = 750 g

hence, weight of Tin box = 750 g

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Answer 2

Answer:

pastries : 20

total weight - 1kg 850g = 1850g

weight of pastries - 45g

weight of 20 pastries = 45 * 20 = 900g

weight of tin = x { assume as x }

total weight = weight of pastries + weight of tin

1850 = 900 + x

x = 1850 - 900

therefore the weight of tin = x = 950g