exam Maths Puzzle Numerical Ability

Translate to an inequality. Use x as a variable. The number of people in the chess club is less than or equal than 16.
The answer is __ __ __

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exam Other Question

The number of people who catch a cold t weeks after January1 is:
5t-3t squared+t cubed. The number of people who recover t weeks after January 1 is: t - t squared + 1/3t cubed.
(c+3)-2c(-1-3c)=2 WHAT IS C???