Minutes 82607

A) how many kg is 4/5 tons more than 7/10 tons?
b) by how many minutes is 1/3 of an hour less than 5/6 of an hour?

Correct answer:

a =  100 kg
b =  30 min

Step-by-step explanation:

m1=54=0.8 t m2=107=0.7 t  m=m1m2=54107=108107=1087=101=0.1 t  a=m kg=m 1000  kg=0.1 1000  kg=100 kg=100 kg
h=6531=6562=652=63=21=0.5 h  b=60 h=60 21=260 1=260=30 min



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