Suppose 2 kg of sugar contains 9 × 106 crystals. How many sugar crystals are there in
(i) 5 kg of sugar?
(ii) 1.2 kg of sugar?
(i) Let x be the sugar crystals in 5kg of sugar
The above information in the form of table is as follows:
Sugar Weight | 2 kg | 5 kg |
No. of crystals | 9 × 106 | x |
The above information are in direct proportion:
2/(9 × 106) = 5/x
→ x = 22.5 × 106 crystals
or x = 2.25 × 107 crystals
(ii) Let x be the sugar crystals in 1.2kg of sugar
The above information in the form of table is as follows:
Sugar Weight | 2 kg | 1.2 kg |
No. of crystals | 9 × 106 | x |
The above information is in direct proportion:
Therefore,
2/(9 × 106) = 1.2/x
→ x = 5.4 × 106 crystals