Sarin’s family attend concert at the Esplanade Part 18 (Math Question)

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The story on Sarin’s family attend concert at the Esplanade you can read postings on Sarin’s family attend concert at the Esplanade in Welcome category and Sarin’s family attend concert at the Esplanade Part 2 (Math Question).

Read posting on Sarin learns Average Number, Percentage and and Charting in school (Math Concept) to understand the concept of Percentage.

Lower primary school mathematics question LPQ47

The graph shows the number of audiences attended musical concert in the Esplanade theatre during a weekend.

 

 

 

 

(a) How many more audiences were there on Sunday than on Saturday?

(b) What was the total amount of money collected on Sunday if the ticket is $9 for an adult and $5 for a child?

 Solution:

            Total number of audiences = Adults + Children

            From the Bar-chart,

            The number of audiences on Saturday = 250 + 400 = 650

            The number of audiences on Sunday = 300 + 450 = 750

            There were 750 – 650 = 100 more audiences on Sunday than on Saturday.

            From the Bar-chart,

            The number of adult audiences on Sunday = 300

            The money collected for adult audiences on Sunday = 300 × 9 = $2700

            The number of children audiences on Sunday = 450

            The money collected for children audiences on Sunday = 450 × 5 = $2250

             The total money collected on Sunday = 2700 + 2250 = $4950

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