Question 40

Evaluate (35/2)% of 800gm — (45/2)% of 400gm

$$\frac{35}{2}\% of 800g-\frac{45}{2}\%of 400g$$

=$$\frac{35}{2}\times\frac{1}{100}\times100-\frac{45}{2}\times\frac{1}{100}\times{400}$$

=140-90=50g

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