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29-04-2017
Mathematics

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30 POINT WORD PROBLEM

30 POINT WORD PROBLEM class=

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asiaferickson asiaferickson

29-04-2017

The answer 164. You have to know this one

Answer Link

morgaine816 morgaine816

30-04-2017

X=number of children tickets
Y=number of adult tickets
X+y =162
6.4x+9.5y=1306.5
Y=162-x
Substitute
6.4x+9.5(162-x)=1306.5
6.4x+1539-9.5x=1306.5
-3.1x=-232.5
X=75

75+y=162
Y=162-75=87

So there were 75 child tickets and 87 adult tickets sold.

Hope that helps.

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