Jamel watched his older brother Robert lift weights. The bar alone had a mass of 20 kg. On the bar he had tow 11.4 kg weights, t

Question

Evgesh-ka [11]

2 years ago

7

Jamel watched his older brother Robert lift weights. The bar alone had a mass of 20 kg. On the bar he had tow 11.4 kg weights, t

wo 4.5 kg weights , and four 450 g weights. What mass was Robert lifting ?

Mathematics

1 answer:

slavikrds [6] · Answer 1 · 2022-05-21T00:27:59+03:00

slavikrds [6]2 years ago

6 0

All you do is add them all together...
20 + 11.4 + 11.4 + 4.5 + 4.5 + 0.45 + 0.45 + 0.45 + 0.45 = 53.6Kg
(note that 0.45 is 450g in Kg, When adding things such as weight or length you want to make sure that they are all in the same unit)