Question

Evaluate : (i) 30% of 200 + 20% of 450 – 25% of 600

Answer 1

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Answer 2

SOLUTION :

30% of 200

= $\bf \frac{30}{100} \times 200$

= 60

20% of 450

= $\bf \frac{20}{100} \times 450$

= 90

25% of 600

= $\bf \frac{25}{100} \times 600$

= 150

Therefore

30% of 200 + 20% of 450 – 25% of 600

= 60 + 90 - 150

= 150 - 150

= 0

∴ 30% of 200 + 20% of 450 – 25% of 600 = 0