jencylu
jencylu jencylu
  • 02-10-2018
  • Mathematics
contestada

What is 2/5 - [-4 7/10]

Respuesta :

Professor1994 Professor1994
  • 02-10-2018

Answer: 5 1/10

Solution:

2/5-[-4 7/10]

2/5-[-(4*10+7)/10]

2/5-[-(40+7)/10]

2/5-[-47/10]

2/5+47/10

2*2/(5*2)+47/10

4/10+47/10

(4+47)/10

51/10

(50+1)/10

50/10+1/10

5 1/10

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