Becky1979 Becky1979

24-06-2017
Mathematics

contestada

At the movie theatre, child admission is $5.80 and adult admission is $9.30 . On Wednesday, 181 tickets were sold for a total sales of $1343.80 . How many child tickets were sold that day?
Number of child tickets:

Respuesta :

texaschic101 texaschic101

24-06-2017

a + c = 181......a = 181 - c
9.3a + 5.8c = 1343.80

9.3(181 - c) + 5.8c = 1343.80
1683.3 - 9.3c + 5.8c = 1343.80
-9.3c + 5.8c = 1343.80 - 1683.3
- 3.5c = - 339.5
c = -339.5 / -3.5
c = 97 <== child ticket sold

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