When a jug is half-filled with marbles, it weighs 2.6 kg. If the jug weighs 4 kg when full, find the weight of the empty jug. Pls help!❤️❤️❤️

Question

asked Jul 24, 2019 71.1k views

2 Answers

Daniel Ellis · Answer 1 · 2019-07-29T08:47:34+0000

Let x be the jug,
(1)/(2) for half-filled, y for the weight of the jug when empty.

∵
(1)/(2) x + y = 2.6 kg

∵ x = 4 kg

∴
(1)/(2) ⋅ 4 + y = 2.6 kg

∴ 2 + y =2.6 kg

∵ y = 2.6 - 2 = 0.6 kg

∴ The weight of the empty jug = 0.6 kg