exam Maths Puzzle Numerical Ability

The time rate of change of an alligator population P in a swamp is proportional to the square of P. The swamp contained a dozen alligators in 1988, two dozen in 1998. When will the

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exam Other Question

Determine whether it is rational or irrational:

SQRT 49/100

This would be irrational because there is no other number that can simplify this matter correct? Thanks a lot for you help.
Find the periometer of a rectangle if the long side is 555mm and the short side is 185mm.

Thanks!