Question

Mandy works construction. Shes knows that a 5 meter long metal bar has a mass of 40 kg.Mandy wants to figure out the mass (w) of a bar made out of the same metal that is 3 meters long and the same thickness.

Answer 1

24 kg

Explanation:

`(5)/(40) =(3)/(w) \\5w=120\\w=(120)/(5)=24`

Answer 2

24 kg

Explanation:

40/5 = 8 and 3x8 = 24