Respuesta :
Method 1
65 + 20% tip = Total cost
so we need 20% of 65
0.2 times 65 = 13
65 + 13 = $78 total cost
Method 2
65 is 100%
meal cost 120% (with 20% tip)
65 Times 1.2 = 78
This question is based on the simple mathematics calculation. Therefore, the total cost of their meal including tip was $78 .
Given:
The bill for the food was $65.00 and they left 20% tip for the server.
We need to determined the total cost of their meal including tip.
According to the question,
The total cost is equal to the bill for the food was $65.00 and they left 20% tip for the server.
In mathematically expressed as,
The total cost = $65.00 + 20%
Now we have to calculated the 20% of $65,
[tex]\rightarrow \dfrac{20}{100} \times 65 = 0.2 \times 65 =13[/tex]
Thus, 20% of $65 is 13.
Now we have to added 13 and 65.
We get,
⇒ 65 + 13 = $78 total cost
Therefore, the total cost of their meal including tip was $78 .
For more details, prefer this link:
https://brainly.com/question/21172564