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[size=150][size=200][/size][/size] There were 12 students on the math team last year. This year the number of students on the team increased by 66 2/3%. How many
students are on the math team this year?

The number 100 is increased by 20%. The result is then decreased by 20%. Is the final result 100? Explain.



HELP PLEASE?!
Guest Mar 27, 2012
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[input]12 * (1+(66 2/3)/100 )[/input]

[input]100+20%-20%[/input]
100*(1+0.2)*(1-0.2)

[input](1+0.2)*(1-0.2)[/input]
factor is smaller 1, so it must be less that 100
admin  Mar 27, 2012

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