9-3 because triple equals to 3. Mike has been studying for 9 years, so 9-3 with no = sign.
Current registration fee at triumphant college = N$ 1000
Percentage by which the registration fee will be increased next year = 11.5%
Registration fee at triumphant college next year :
= Current registration fee + 11.5% of current registration fee





Therefore, the registration fee at triumphant college next year = <u>N$ 1115</u>
Answer:
the length of the table is 108 inches