Two families go to a zoo. The smith family of 2 adults and 3 children pay £61.
The jones family of 3 adults and 5 children pay £96.
Work out the cost for an adult ticket and cost for a child ticket.

What is the range for 31,39,29,34,37,24,36,33,34,28

Which number completes the inequality? 2/3 < _ < 7/9

Find the perimeter of the triangle with vertices  d(3, 4),  e(8, 7), and  f(5, 9). do not round before calculating the perimeter. after calculating the perimeter, round your answer to the nearest tenth.