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Maths Puzzle
Numerical Ability
-8(2n-4)+5
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gym is 21 years newer than the auditorium. the gym is also one fourth as old as the auditorium. how old is each building? choices for auditorium age: 26, 27, 28
write and equation to
Suppose that N=squareroot(x)+3 models the number of cases of an infection, in millions, of a disease x years from now.Approximately how many cases of the infection will there be 9 years from now? approximately how many years will there be 5 million cases