Question

7. Suppose 2 kg of sugar contains 9 x 10 crystals.
How many sugar crystals are there in (i) 5 kg of sugar? (ii) 1.2 kg of sugar?
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Answer 1

Answer:

Now we will solve for the value of y to get the number of crystals in 5kg of sugar. ∴ There are 2.25×107 crystals in 5kg of sugar.

Answer 2

• answer 1     225 and answer 2 is 54 crystal
• no. of crystal in 2 kg of sugar =90
• no. of crystal in 1 kg of sugar=90/2
• no of crystals in 5 kg of sugar=90/2*5=225
• answer 2       no. of crystals in 1 kg of sugar=45
• no. of crystals in 1.2 kg of sugar = 45*1.2=54