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Select all the rates that are unit rates.

113

231

23

31

19


Sagot :

Answer:

[tex]\frac{2/3}{1}[/tex] and [tex]\frac{3}{1}[/tex]

Step-by-step explanation:

Options

[tex]\frac{1}{1/3}[/tex]     [tex]\frac{2/3}{1}[/tex]     [tex]\frac{2}{3}[/tex]     [tex]\frac{3}{1}[/tex]     [tex]\frac{1}{9}[/tex]

Required

Select the unit rates

Unit rate involve two items where the first item being measured can be any positive number, but the second item must be measured in units (i.e. 1)

For clarity:

If [tex]\frac{a}{b}[/tex] represents unit rate, then [tex]b = 1[/tex]

Having said that:

Only [tex]\frac{2/3}{1}[/tex] and [tex]\frac{3}{1}[/tex] satisfy the condition of unit rates; others are not because they have a denominator other than 1