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Sagot :
To determine the unit rate for one gallon of gasoline, we need to calculate the price per gallon for each entry in the table.
Given:
- 2 gallons cost \[tex]$6.60 - 3 gallons cost \$[/tex]9.90
- 4 gallons cost \[tex]$13.20 Let's calculate the unit rate for each of these quantities: 1. For 2 gallons: \[ \text{Unit price} = \frac{\$[/tex]6.60}{2 \text{ gallons}} = \[tex]$3.30 \text{ per gallon} \] 2. For 3 gallons: \[ \text{Unit price} = \frac{\$[/tex]9.90}{3 \text{ gallons}} = \[tex]$3.30 \text{ per gallon} \] 3. For 4 gallons: \[ \text{Unit price} = \frac{\$[/tex]13.20}{4 \text{ gallons}} = \[tex]$3.30 \text{ per gallon} \] Since the unit price is consistent across all amounts, the unit rate for one gallon of gasoline is: \[ \$[/tex]3.30 \text{ per gallon}
\]
Thus, the correct answer is [tex]\(\$3.30\)[/tex].
Given:
- 2 gallons cost \[tex]$6.60 - 3 gallons cost \$[/tex]9.90
- 4 gallons cost \[tex]$13.20 Let's calculate the unit rate for each of these quantities: 1. For 2 gallons: \[ \text{Unit price} = \frac{\$[/tex]6.60}{2 \text{ gallons}} = \[tex]$3.30 \text{ per gallon} \] 2. For 3 gallons: \[ \text{Unit price} = \frac{\$[/tex]9.90}{3 \text{ gallons}} = \[tex]$3.30 \text{ per gallon} \] 3. For 4 gallons: \[ \text{Unit price} = \frac{\$[/tex]13.20}{4 \text{ gallons}} = \[tex]$3.30 \text{ per gallon} \] Since the unit price is consistent across all amounts, the unit rate for one gallon of gasoline is: \[ \$[/tex]3.30 \text{ per gallon}
\]
Thus, the correct answer is [tex]\(\$3.30\)[/tex].
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