Answer:
$75.
Step-by-step explanation:
We have been given that Grammy gave the server a $15 tip. The tip was 20% of the cost of dinner.
Let x be the cost of Grammy's dinner. We need to find x such that 20% of x equals to 15. We can represent this information as:
Therefore, the cost of Grammy's dinner was $75.
7.13 each
70 - 13 = 57. Divide 57/8 and get your answer
(7.125 rounded is 7.13)
It will be 9
hope this helps
40
Divide 12 by .40 (the percentage) to figure out what the full number would be.