These are the first sentences in the short story, "the gift of the magi," by o. henry:
"one dollar and eighty-seven cents. that was all. and sixty cents of it was in pennies."
a. simplify the equation that represents the value of the coins. make it an equation that expresses the value of quarters, dimes, and nickels.
b. is it possible to have exactly 60 pennies in $1.87? explain.
.

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:

9 sandwiches per hour

step-by-step explanation:

when we have a rate, we want a 1 in the denominator

27/3 = 9

27 sandwiches/ 3 hours = 9 sandwiches/hour

answer: it's d

step-by-step explanation: