Math

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There were 80 boys and 95 girls on the middle school track team last year this year the number of boys increased by 15% well the number of girls decreased by 20% was there an overall increase or decrease in the number of students on the track team calculate the overall percent of change in the number of students on the track team

A. 1% increase
B.4% increase
C.17.7% increase
D.1% decrease
E.4% decrease
F.17.7% decrease

  • Math -

    original:
    boys: 80
    girls : 95

    now:
    boys = 1.15(80) = ...
    girls = .8(95) = ...

    add them up to get the new total.
    take the difference,
    percent change = difference/175 ,
    interpret the positive vs negative answer.

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