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

Question

Brandon Walter

Mathematics

31 August, 07:49

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

+3

Answers (1)

Know the Answer?

Abril Juarez · Answer 1

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