Robert's tea shop has caffeinated tea and decaffeinated tea. the tea shop served 17 caffeinated teas and 51 decaffeinated teas. what percentage of the teas served were caffeinated?

write your answer using a percent sign (%).

a function could be identified in 3 ways either on a chart,graph, or ordered pairs. first a function is that each point has its own. the rule is that there can be many x's to one y but there can not be 2 x's at different y's. so on a graph when you put a straight line through the y's there should be one dot only to be a function.

step-by-step explanation: