Use proportion rule?

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Use proportion rule: If 3 gallons of gasoline cost $5.37, then how much will cost for 8 gallons.

2007-04-22 06:32:44 · 2 answers · asked by Anonymous in Science & Mathematics ➔ Mathematics

$14.32
$5.37 divide by 3 gallons equals $1.79 times 8 gallons equals $14.32

2007-04-22 06:37:19 · answer #1 · answered by Anonymous · 0⤊ 0⤋

3 gallons<---->$5.37
8 gallons<---->(8/3) x $5.37 = 8 x $1.79 = $14.32

2007-04-22 13:39:01 · answer #2 · answered by Como 7 · 0⤊ 0⤋