Let the number of adults be x and children be y.

There are a total of 11 people.

\(x+y=11\)..............(i)

Also we know that adults pay $0.70 for ticket and children pay $0.40. And total sum payed by the group is $5.90

So \(0.7x + 0.4y=5.90\) or \(7x + 4y=59\).................(ii)

Solving equations (i) and (ii)....

x= 5 y=6

So Number of children is greater hence

option A is correct.

_________________

Sandy

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