Of 140 people at a movie, 40% of the people bought popcorn, 30% of the people bought pretzels, and 10% of the people bought pizza. How many
people bought each item? Number of people who bought popcorn: Number of people who bought pretzels: Number of people who bought pizza:

Popcorn: 56

pretzels:42

pizza:14

Step-by-step explanation:

140/100 = 1.4

1.4*40= 56

1.4*30 = 42

1.4*10=14

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: