The silver town people went to a fancy restaruant after the big event.Grammy gave the server a $15 tip.If the tip was 20 percent
1 answer:
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.
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Answer:
D. She can check to see if the rate of change between the first two ordered pairs is the same as the rate of change between the first and last ordered pairs.
Step-by-step explanation:
Find the rate of change between first two ordered pairs and the second two ordered pairs:
1. Points (2,4) and (3,9). Rate of change:
2. Points (3,9) and (4,16). Rate of change:
The rate of change for the linear function must the same for each two points on the graph of the function. In this case, the reate of change differs, so this function is not linear and correct option is D.