molly5318
16.11.2019 •
Mathematics
Child admission is 5.50 and adult admission is 8.80, twice as many adult tickets as child tickets were sold, for a total of 669.90 how many child tickets were sold that day?
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Ответ:
The answer to your question is: 29 tickets for children and 58 tickets for men.
Step-by-step explanation:
Child = c = $ 5.50
Adult = a = $8.80
Equation
a = 2c
5.5c + 8.8a = 669.9
5.5c + 8.8(2c) = 669.9
5.5c + 17.6c = 669.9
23.1c = 669.9
c = 669.9 / 23.1
c = 29
a = 2(29)
a = 58
Ответ:
71
Step-by-step explanation: