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iren2701 [21]
3 years ago
10

The total weight of three tables is 16.9 pounds. The first table is twice as heavy as the second table and the weight of the thi

rd table is 1/3 the weight of the second table. What is the weight of table one?
Mathematics
1 answer:
gavmur [86]3 years ago
8 0
X the 1st table
y the second
z the third

The equation is : x+y+z =16.9

But we know (given) that x=2y  & z=(1/3)y

Calculate everything in term of x:

x= 2y==> x/2 =y

z=(1/3)y ==> & since y=x/2 then z= (1/3)(x/2)==> z=x/6; y=5.07 & z =1.69

x + x/2 + x/6 = 16.9===>1.666x = 16.9===> x= 10.14
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