evelin89
evelin89 evelin89
  • 17-05-2020
  • Mathematics
contestada

Which shows how the distributive property can be used to evaluate 7x8 4/5?

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marcthemathtutor
marcthemathtutor marcthemathtutor
  • 17-05-2020

Answer:

61 3/5

Step-by-step explanation:

we realize that 8 4/5 can be written as [8 + (4/5)]

hence 7 x 8 4/5

= 7 x [8 + (4/5)]

= 7 [8 + (4/5)]   (use the distributive property, see attached for reference)

= 7(8) + 7(4/5)

= 56 + 28/5  (convert 28/5 into mixed fraction)

= 56 + 5 3/5

= 61 3/5 (answer)

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