measurement and dats lesson 10

label Mathematics
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schedule 1 Day
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There are 4 semi-trailer trucks parked in a line at the rest stop.  After the first truck, each truck in the line weighs 2 tons more than the truck before it.  The trucks weigh a total of 32 tons.  how many pounds does each truck weigh?

May 19th, 2015

assume the first track weight is x

the second track weight is x+2

third track weight is (x+2)+2=x+4

fourth track is (x+4)+2=x+6

x+(x+2)+(x+4)+(x+6)=32

4x=20

x=5


May 19th, 2015

ok, you found for x.  Now we plug it in the equation to find out how much tons each truck weighs and then convert.  What is the conversion for tons to pounds?

May 19th, 2015

1 ton=2000 pounds

first track weights 10000 pounds

second track weights 14000 pounds

third track weights 18000 pounds

fourth track weights 22000 pounds

May 19th, 2015

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May 19th, 2015
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