31.35d + 0.15(275) </= 280
Step-by-step explanation:
(Daily cost x number of days) + (mileage cost x number of miles) is less than or equal to $280.
If they ask you to solve it next:
31.35d + 0.15(275) </= 280
31.35d + 41.25 </= 280
31.35d </= 238.75
d </= 7.615629998
Round it down to 7 full days
Answer:
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Answer:
=3y^2
Step-by-step explanation:
let,
length: x
width: y
According to condition,
x = 3y -----------(1)
Second condition
Perimeter = 2 (l + b)
80 = 2 (x + y)
x + y = 40 -------------(2)
To find area,
Area = L x B
=3y x y
= 3y^2
Decreasing in quantity according to the law is the definition of exponential decay. but what are the choices you can chose from?