Question

if 3kg of sugar contains 9×10⁸ crystals.how many sugar crystals are there in 4kg of sugar.

direct or inverse proportion.
​

Answer 1

Answer:

3 kg of sugar contains 9×10

6

crystals

⇒1 kg of sugar contains

3

9×10

6

crystals

⇒5 kg of sugar contains 3×10

6

×5=15×10

6

crystals

⇒3.5 kg of sugar contains 3×10

6

×3.5=10.5×10

6

crystals

Answer 2

Let the no. Of crystals be x

Let the no. Of crystals be xThe amount of sugar in kg -3 4

Let the no. Of crystals be xThe amount of sugar in kg -3 4Number of crystals - 9×10^8 ×

Let the no. Of crystals be xThe amount of sugar in kg -3 4Number of crystals - 9×10^8 ×So, this two quantities are in directly proportional

Let the no. Of crystals be xThe amount of sugar in kg -3 4Number of crystals - 9×10^8 ×So, this two quantities are in directly proportionalTherefore

Let the no. Of crystals be xThe amount of sugar in kg -3 4Number of crystals - 9×10^8 ×So, this two quantities are in directly proportionalThereforeX1/y1 = x2/y2

Let the no. Of crystals be xThe amount of sugar in kg -3 4Number of crystals - 9×10^8 ×So, this two quantities are in directly proportionalThereforeX1/y1 = x2/y2= 3/9×10^8 = 4/x

Let the no. Of crystals be xThe amount of sugar in kg -3 4Number of crystals - 9×10^8 ×So, this two quantities are in directly proportionalThereforeX1/y1 = x2/y2= 3/9×10^8 = 4/x=3×x =4×9×10^8

Let the no. Of crystals be xThe amount of sugar in kg -3 4Number of crystals - 9×10^8 ×So, this two quantities are in directly proportionalThereforeX1/y1 = x2/y2= 3/9×10^8 = 4/x=3×x =4×9×10^8Therefore,

Let the no. Of crystals be xThe amount of sugar in kg -3 4Number of crystals - 9×10^8 ×So, this two quantities are in directly proportionalThereforeX1/y1 = x2/y2= 3/9×10^8 = 4/x=3×x =4×9×10^8Therefore,X=4×9×10^8/3 =12×10^8 = 1.2×10^9

Let the no. Of crystals be xThe amount of sugar in kg -3 4Number of crystals - 9×10^8 ×So, this two quantities are in directly proportionalThereforeX1/y1 = x2/y2= 3/9×10^8 = 4/x=3×x =4×9×10^8Therefore,X=4×9×10^8/3 =12×10^8 = 1.2×10^9So, the answer is 12×10^8 or 1.2×10^9

Let the no. Of crystals be xThe amount of sugar in kg -3 4Number of crystals - 9×10^8 ×So, this two quantities are in directly proportionalThereforeX1/y1 = x2/y2= 3/9×10^8 = 4/x=3×x =4×9×10^8Therefore,X=4×9×10^8/3 =12×10^8 = 1.2×10^9So, the answer is 12×10^8 or 1.2×10^9No.of crystals are there in 4 kg is 1.2×10^9

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