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You went to Dunkin’ and bought a drink for $4.25 and four donuts (d). You spent a total of $11. Write an equation to represent this situation. How much did each donut cost?

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To represent the situation with an equation, let \( d \) represent the cost of each donut. The total cost of the drink and the four donuts can be expressed as:

\[ 4.25 + 4d = 11 \]

Now, we can solve for \( d \):

  1. Subtract the cost of the drink from both sides: \[ 4d = 11 - 4.25 \] \[ 4d = 6.75 \]

  2. Now divide both sides by 4 to find the cost of each donut: \[ d = \frac{6.75}{4} \] \[ d = 1.6875 \]

Therefore, each donut costs \( $1.69 \) (rounded to two decimal places).