SmokeyRN SmokeyRN
  • 22-04-2020
  • Mathematics
contestada

find the difference 9 4/5x- 4/80x

A 7/5X
B 9 4/5X
C 7 4/5X
D 11 4/X

Respuesta :

iamathing
iamathing iamathing
  • 22-04-2020

Answer:

B.

Step-by-step explanation:

I'm assuming it's written like this when solving it:  [tex]9\frac{4}{5} x-\frac{4}{80} x[/tex]

first change the mixed number to an improper fraction and change to a common denominator

[tex]\frac{49}{5}x-\frac{4}{80}[/tex]  -----> [tex]\frac{784}{80} - \frac{4}{80}[/tex]

[tex]\frac{784}{80}x - \frac{4}{80}x = \frac{39}{4}x\\[/tex] ≈ [tex]9\frac{4}{5}x[/tex]

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