The size of a quantity first doubles and then increases by a further 16%. After...

JAMB 1979

The size of a quantity first doubles and then increases by a further 16%. After a short time its size decreases by 16%. What is the net increases in size of the quantity?

A. \(\frac{59300}{625}\)
B. \(\frac{50900}{625}\)
C. 200%
D. +100%

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Correct Answer: Option C

Explanation

Let x rept. the size of the quantity

2x + \(\frac{116}{100}\) x \(\frac{-84}{100}\)

= 200%

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The size of a quantity first doubles and then increases by a further 16%. After...

Correct Answer: Option C

Explanation

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