Percentages, SM-Bank 063

Jye was checking his phone battery usage and found he spent his time listening to music, using social media and viewing YouTube videos.

Last week he spent 25 hours in total using his phone and the pie chart below shows the breakdown of his usage.

How much time did Jye spend on social media? (2 marks)

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\(5\ \text{hours}\)

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\(\text{Percentage watching YouTube videos}\)	\(=\dfrac{8}{25} \times 100\)
	\(=32\text{%}\)

\(\text{Percentage on social media}=100-(48+32)=20\text{%}\)

\(\therefore\ \text{Amount of usage on social media}\)	\(=20\text{%}\times 25\)
	\(=5\ \text{hours}\)