Percentages, SM-Bank 031

A local soccer club has 1600 fans.

At a game, one-quarter of the fans wear a yellow jersey and the rest wear red.

25% of the red jerseys have a black stripe down the back.

How many red jerseys have a black stripe? (2 marks)

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\(300\)

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\(\text{Total red jerseys}\)	\(=75\text{%}\times 1600\)
	\(=\dfrac{3}{4}\times 1600=1200\)

\(\therefore\ \text{Red jerseys with black stripe}\)

\(=0.25\times 1200=300\)