Respuesta :
The value of density is 251 ounces per gallon for the given material.
What is the formula for density?
The formula for the density of certain materials is
density = mass/volume.
The required unit is ounces per gallon.
Where 1 ounce = 28.35 grams and 1 gallon = 4 quarts
Calculation:
It is given that,
The density of the material is 4 kg per every 9 cups of volume.
Converting into the required units:
1 gallon = 4 quarts
= 4(2 pints)
= 8(2 cups)
= 16 cups
So, for 9 cups, the volume is 9/16 gallons.
1 ounce = 28.35 g
Where 4 kg = 4000g
So, for 4000 g, the weight is 4000/28.35 = 141.0 ounces
Therefore, the required density is
Density = mass/volume
= 141.0/(9/16) ounces per gallon
= 250.666 ounces per gallon
= 251 ounces per gallon
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