 
 <translate> The total bill comes to $10 + $13 + $17 = $40. The total gratuity earned comes to $40 * 0.1 = $4.
Therefore, the answer is 4. <ibo> Ngụkọta ego ahụ bụ $10 + $13 + $17 = $40. Ngụkọta ego a na-enweta bụ $40 * 0.1 = $4. Ya mere, azịza ya bụ 4. 