Neko1kat
08.02.2022 •
Mathematics
Amy needs to mail a CD to a friend. She uses 41.cent stamps and 5.cent stamps to pay $168 in postage. How many of each stamp did Amy use? In 41-cent stamps and how much in 5-cent stamps?
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Ответ:
A) Dependent Variable = Sue's Earning
Independent Variable = Number of hours she work
Y = 6x
B) When, x = 1, y = 6(1) = 6,
when x = 2, y = 6(2) = 12
when x = 3, y = 6(3) = 18
Ordered pairs would be: (1, 6), (2, 12), (3, 18)
C) Equation would be: Y = 6x
Where, y = Earning
x = number of hours
Hope this helps!