Respuesta :
The cost of 1 kilogram of avocados is $1.8 using the double number line system.
Cost-based problem:
What information do we have?
Cost of 5 kilograms of avocados = $9
Cost of 5 kilograms of avocados = $9
Cost of 1 kilograms of avocados = $9 / 5
Cost of 1 kilograms of avocados = $1.8
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