A street promotion worker gets paid $0.10 for each flyer he hands out. His goal is to make $16 an hour. How many flyers must he
2 answers:
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Answer:
(a)
(b)
Step-by-step explanation:
(a)
Let u = π x
differentiating with respect to x
du = π dx
Putting the value of x and dx
[ c is an arbitrary constant]
Now putting the value of u
(b)
Let
differentiating with respect to x
2du = dx
Putting the value of x and dx
=
=
Now putting the value of u
[ c is an arbitrary constant]
Answer: 500 miles
Step-by-step explanation:
Given : Sergio and Lizeth have planned to rent a car from a company that charges $75 a week plus $0.25 a mile.
i.e. Fixed charge= $75
Rate per mile = $0.25
Let x denotes the number of miles.
Then, Total charges = Fixed charge+ Rate per mile x No. of miles traveled
= $75+ $0.25x
To keep budget within $200, we have following equation.
Hence, they can travel 500 miles and still keep within their $200 budget.
The 4th selection is appropriate.