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The subtotal of a dinner bill is dd dollars. There is an 8% dine-in tax, and the customer would like to leave an 18% gratuity based on the subtotal amount. Write an expression that represents the total amount the customer spends on dinner, including the tax and gratuity.

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Answer:

1.26d

Step-by-step explanation:

Given that :

Subtotal = d

Dime - in tax = 8%

Gratuity = 18% of subtotal

Total amount spent on dinner :

Gratuity = 18% of d

Gratuity = 0.18 * d = 0.18d

Dine - in tax : = 8% of dinner bill

Dine - in tax = 0.08d

Total cost of dinner :

Dinner bill + dine - in tax + Gratuity

d + 0.08d + 0.18d

= 1.26d

Total amount spent on dinner = 1.26d

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