# <span lang="EN-US

Let number of adults be x

Since, total number of persons is 50

Number of children = 50-x

Ticket rate for a child is 10 rupees

ticket rate of 50-x children = 10(50-x) = 500-10x rupees

Ticket rate of an adult is 26 rupees

ticket rate of x adults = 26x rupees

Total amount collected = 740 rupees

26x + 500-10x = 740

16x + 500 = 740

16x = 740-500

16x = 240 x = 15

Hence, Number of children = 50-x = 50-15 = 35

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