2007-02-09 20:56:58 · 5 answers · asked by Anonymous in Science & Mathematics ➔ Mathematics
1) X percent of any number, N, is always equal to ( X / 100 ) * N
2) For example, if D (300 kilometers) is the distance from Boston to New York, then,
a) Two percent of the distance is ( 2 / 100 ) * D = ( 2 / 100 ) * 300 = 6 kilometers
b) Six percent of half the distance is ( 6 / 100 ) * ( D / 2 ) = ( 6 / 100 ) * ( 300 / 2 ) = 9 kilometers
2007-02-09 21:38:20 · answer #1 · answered by 1988_Escort 3 · 0⤊ 0⤋
To get your answers divide 6.6billion by 100, to get 1% of it.
Then multiply by 12, 31, and 18.
6,600,000,000 /100 = 66,000,000
66,000,000 x 12 = 792,000,000
66,000,000 x 31 = 2,046,000,000
66,000,000 x 18 = 1,188,000,000
2007-02-10 00:37:06 · answer #2 · answered by Anonymous · 0⤊ 0⤋
multiply .12 X 6600000000 for the first
same equasion for the others (12% is .12 as a decimel)
2007-02-09 21:10:31 · answer #3 · answered by Ender 6 · 0⤊ 0⤋
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6.6
*
.12
6.6
*
.31
6.6
*
.18
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2007-02-09 21:02:12 · answer #4 · answered by tom4bucs 7 · 0⤊ 0⤋
1) 792000
2)2046000
3)1188000
2007-02-13 18:48:12 · answer #5 · answered by Ali 5000 5 · 0⤊ 0⤋