Posted by **MARiA BBy <33** on Thursday, March 12, 2009 at 9:51pm.

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 -
**Reiny**, Thursday, March 12, 2009 at 9:57pm
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 -
**MARiA BBy <33**, Thursday, March 12, 2009 at 9:58pm
OMg THANk yOU SO MUCh!!

:)

<33

- 7TH GRADE MATH -
**kristina**, Thursday, March 12, 2009 at 9:59pm
100x.72=72, so 100+72

10x.30=3, so 10+3

and so on..

- 7TH GRADE MATH -
**MARiA BBy <33**, Thursday, March 12, 2009 at 10:00pm
THANk yOU T00 kristina

:D

- 7TH GRADE MATH -
**lola**, Wednesday, April 1, 2009 at 4:27pm
i dont no

- 7TH GRADE MATH -
**Anonymous**, Tuesday, December 8, 2015 at 7:17pm
8 increased by b

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