if 3 times a less than a number n is the same as the number number increased by a4 ,what is na motor boat traveling at 18 miles per hour traveled the length of a lake in one quater of an hour less time it took when traveling at 12 miles per hour ,wha

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if 3 times a less than a number n is the same as the number number increased by a4 ,what is na motor boat traveling at 18 miles per hour traveled the length of a lake in one quater of an hour less time it took when traveling at 12 miles per hour ,wha
if 3 times a less than a number n is the same as the number number increased by a4 ,what is n
a motor boat traveling at 18 miles per hour traveled the length of a lake in one quater of an hour less time it took when traveling at 12 miles per hour ,what was the length in miles of the lake
George spent 25% of the money he had on lunch and 60% of the remaining money on dinner .if he then had 9.00yuan left how much did he spend on lunch

if 3 times a less than a number n is the same as the number number increased by a4 ,what is na motor boat traveling at 18 miles per hour traveled the length of a lake in one quater of an hour less time it took when traveling at 12 miles per hour ,wha
（1）n的1/3跟n+4一样大,求n?
（2）一条摩托艇以18英里每小时穿过这个湖比用12英里每小时穿过少用时15分钟,问这个湖有多长
（3）乔治花25%的钱吃午饭,60%的钱存着吃晚饭,当他吃完午饭后他还有9块钱,问他花了多少钱吃午饭?
应该都会做吧

1.如果三日不到数n倍，是因为作者A4人数增加了相同的，什么是n
2.机动船在18英里的时速在前往一小时花费较少的时间在12英里的时速四湖的长度，究竟是什么在湖英里的长度
3.乔治花25的钱，午餐和60％的剩余款项晚餐有％。如果他当时离开了九点零零元了多少他在午餐时间
剩下的自己干掉吧！~！~！~！~！~！~相信你的实力...

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