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jeka57 [31]
3 years ago
12

A company produces metal slabs for industrial use. The slabs come in three thicknesses: 5in, 10in., 15 in. The weights of each t

hickness for each metal are given below.
Metal 1: 150lbs, 300lbs, 600lbs
Metal 2: 130lbs, 260lbs, 390lbs
Metal 3: 310lbs, 620lbs,930lbs
Metal 4: 140lbs, 280lbs, 420lbs
For which of the metals weight not proportional to the thickness?
A.) Metal 1
B.) Metal 3
C.) Metal 4
D.) Metal 2
Mathematics
1 answer:
Dimas [21]3 years ago
4 0

5, 10 ,15  

divide each by 5

1,2, 3

so the ratios should be 1,2,3

Metal 1 : divide by 150

1,2,4

Metal 2 divide by 130

1,2,3

Metal 3  divide by 310

1,2,3

Metal 4 divide by 140

1,2,3

Metal 1 is not proportional

Choice A

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