1、A grocer trades 162 barrels of flour valued at $6.00 a bar
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1、A grocer trades 162 barrels of flour valued at $6.00 a barrel for 54 barrels of sugar .What is the value of a barrel of sugar?
2、Rain falls all night over a lake.The total rainfall is 50 liters per square meter.By how much does the surface of the lake rise?
3、Starting at 5 and counting by 7's .Samuel counts 5,12 ,19,...a number that will be counted is?
4、During a sale ,the price of a book is reduced by 25%.The new price is then further reduced by 40%.The cost of the book as a percentage of the original price is?
5How many seconds will it take for a train 300 meters long traveling at 100 km/hr to pass a man jogging at 10km/hr in the same direction?
6、The face of a cube are marked with the numbers 1 ,2 ,3 ,4 ,5 ,6.Each corner of the cube is assigned "vertex number" equal to the sum of all the numbers on the faces that meet at this corner .The sum of all the vertex numbers is?
7、Steve plants ten trees every thee minutes.If he continues planting at the same rate ,how long will it takes him to plant 2500 trees?
2、Rain falls all night over a lake.The total rainfall is 50 liters per square meter.By how much does the surface of the lake rise?
3、Starting at 5 and counting by 7's .Samuel counts 5,12 ,19,...a number that will be counted is?
4、During a sale ,the price of a book is reduced by 25%.The new price is then further reduced by 40%.The cost of the book as a percentage of the original price is?
5How many seconds will it take for a train 300 meters long traveling at 100 km/hr to pass a man jogging at 10km/hr in the same direction?
6、The face of a cube are marked with the numbers 1 ,2 ,3 ,4 ,5 ,6.Each corner of the cube is assigned "vertex number" equal to the sum of all the numbers on the faces that meet at this corner .The sum of all the vertex numbers is?
7、Steve plants ten trees every thee minutes.If he continues planting at the same rate ,how long will it takes him to plant 2500 trees?
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爱过懂心痛 共回答了17个问题
|采纳率82.4%- 162*6/54=18 $
50*10^-3 =0.05 meter
5+7n,n=1,2,3,.
(1-25%)(1-40%)=45%
0.3*3600/(100-10)=12 seconds
every face is added by force,so The sum of all the vertex numbers is
4*(1+2+3+4+5+6)=84
2500/10 *3=750mintes
- 1年前
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