F.1 Maths求解1問題(percentage)急~
F.1 Maths求解1問題(percentage)急~
Q:A supermarket sells two sizes of peanut oil,normal size and jumbo size.The
volume of normal-sized peanut oil is 40% less than that of jumbo-sized
peanut oil and their different in volum is 600mL.
Find the volume of normal-sized peanut oil.
(老師好似話用方程,不過如果可以不用方程也能計算,請給我兩條式)
希望詳解和翻譯題目,因為自己不太明白(我最怕考試都5識)!
THX~
2 個解答
- CKLv 76 年 前最佳解答
超市售賣大型裝和普通裝两種花生油,普通裝花生油的花生油量比大型裝小 40 %,它們的體積差異為 600 毫升,求普通裝花生油的體積。
設大型裝花生油 的體積為 X
0.4X = 600 [40% = 0.4]
X = 600/0.4 = 1500 mL
0.6 X = 900 mL[普通裝花生油的體積 = 0.6X]
2013-11-18 00:17:57 補充:
多謝你幫忙。~~~~~~~~~~~~
- 知足常樂Lv 76 年 前
開心貓,很久不見了~
郭老師做得很好~
我可以解釋一下:
The volume of normal-sized peanut oil is 40% less than that of jumbo-sized peanut oil.
意思是:
普通裝的花生油體積比珍寶裝的少 40%。
如果你設了珍寶裝的體積是 X 毫升,那麼
普通裝的花生油體積 = (1 - 40%)X = 0.6X
X - 0.6X = 600
0.4X = 600
X = 1500
0.6X = 900
2013-11-19 23:30:04 補充:
客氣了~
大家努力~!!