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Question

A carton has twenty chocolates worth rupees 100. The carton consists of Cadbury shots worth rupees 3 each and 5 star worth rupees 11 each. How many 5 star chocolates are there in the carton? [4 MARKS]

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Solution

Visualizing the equation : 2 Marks
Steps : 1 Mark
Result : 1 Mark

Let the no. Of Cadbury shots =y

Then no. of 5 star chocolates =20y

As given in question, Cadbury shots worth rupees 3 and 5 star worth rupees 11.

Total cost of Cadbury shots is
=No. of shots×cost of each=3×y=3y

Total cost of 5 star is
=No. of 5 star×cost of each=(20y)×11=22011y

Total worth of chocolates in carton =100

3y+22011y=100

220100=11y3y

120=8y

y=15

There are 15 Cadbury shots and 5 5 stars.


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