2007-02-24 05:00:45 · 6 answers · asked by robert b 1 in Science & Mathematics ➔ Mathematics
12 divided by .4 = 30
2007-02-24 05:10:35 · answer #1 · answered by Mathlady 6 · 0⤊ 0⤋
30
2007-02-24 05:05:28 · answer #2 · answered by oshaberi27 3 · 0⤊ 0⤋
30
2007-02-24 05:04:35 · answer #3 · answered by jacksfullhouse 5 · 0⤊ 0⤋
So what number multiplied by 40% or 2/5 is 12?
2007-02-24 05:03:33 · answer #4 · answered by arbiter007 6 · 0⤊ 0⤋
If you take
the number to be found as 100 unit, and
12 as 40 units
1 unit would be 12/40
(12/40) x 100 would get you your answer.
2007-02-24 05:08:15 · answer #5 · answered by Orange Peel 2 · 0⤊ 0⤋
set up an ratio:
40% 12
----- = -----
100% X
now cross multiply and rearrange to solve for X:
100%*12=40%*X
X=(100%*12)/40%=30
12 is 40% of 30
2007-02-24 05:08:27 · answer #6 · answered by louis504842 2 · 0⤊ 0⤋