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06-07-2017
Mathematics

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There were 480 people at a play. The admission price was $2 for adults and $1 for children. The admission receipts were $800. How many adults and how many children attended?

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musiclover10045 musiclover10045

19-07-2017

a = adult

c = children

a+c=480

a=480-c

2a +1c =800

2(480-c)+1c = 800

960-2c+1c =800

-1c=-160

c=160

a=480-160 =320

320 adults

160 children

check 320*2 =640

160*1=160

160+640 = 800

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