exam
Maths Puzzle
Numerical Ability
how would you do #28?
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exam Other Question
This question deals with doubling time. In the following exercise, give a doubling time for an exponentially growing quantity.
10. The initial population of a town is 15,600 and
what is the difference between
3(x -1) + 4 - 2x
3(x-1) +4 = 2x