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browneyedbaby20
30.07.2019 •
Mathematics
Some carpet cleaning costs are 1 room for $125, 2 rooms for $175, 3 rooms for $225. and 4 rooms for $275.00.find and interpret the rate of change and the initial value for this situation.
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Ответ:
175-125=50
then calculate the initial value by subtracting the hourly rate from the "1 room" cost:
125-50=75
The initial cost might be something like driving to the place (which is only necessary once), while the rate covers work time or cleaning utensils used.
Ответ:
You first change the mixed number into an improper fraction
5 2/3 = 17/3.
Then do the reciprocal. This means that you just have to turn the fraction upside down.
= 3/17.