Alma wants to mail a package that requires $1.53 in postage. alma only has 5-cent stamps and 8-cent stamps. what is the smallest number of stamps that she could use to total exactly $1.53?

21 stamps because 8 cents time 16 equals 1.28 and 5 cents times 5 cents equals 0.25 so 1.28+0.25= $1.53

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.

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