demellob2018 demellob2018

01-04-2018
Mathematics

contestada

At the movie theatre, child admission is 5.20
and adult admission is 9.30
. On Tuesday, twice as many adult tickets as child tickets were sold, for a total sales of 785.40
. How many child tickets were sold that day?

Respuesta :

mkryukova19 mkryukova19

01-04-2018

5.20c +9.30a=785.40
a=2c
5.20c+9.30*2c=785.40
5.20c+18.60c=785.40
23.80c=785.40
c=785.40/23.80 = 33 child ticket

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