7TH GRADE MATH

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how do i do these:

1.100 increased by 72%
2. 10 increased by 30%
3. 80 increased by 60%
4. 6 increased by 10%
5.12 increased by 40%

PLEASE HELP :(

  • 7TH GRADE MATH -

    long way:
    take .72 times 100 = 72
    add that to 100 for 172

    quick way: take 1.72 times 100 = 172

    do the others the same way.

    e.g. for #5
    long way: 12(.4) = 4.8
    add to 12 to get 16.8

    quick way: 12(1.4) = 16.8

  • 7TH GRADE MATH -

    OMg THANk yOU SO MUCh!!

    :)

    <33

  • 7TH GRADE MATH -

    100x.72=72, so 100+72

    10x.30=3, so 10+3

    and so on..

  • 7TH GRADE MATH -

    THANk yOU T00 kristina

    :D

  • 7TH GRADE MATH -

    i don't no

  • 7TH GRADE MATH -

    8 increased by b

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