A family buys 4 airline tickets online. The family buys travel insurance that costs $19 per ticket. The total cost is $752. Let
2 answers:
Answer:
Givens
- The family buys 4 airline tickets online.
- The travel insurance costs $19 per ticket.
- The total cost is $752.
An equation that models this problem could be
Basically, we know that the insurance costs $19 which represents an additional costs after the price per ticket, that's why we need to add them. Then, we know that the familiy bought 4 tickes, that's why we multiply by 4, and finally, the total cost must be equal to 752, according to the problem.
<h3>B.</h3>To find the price of one ticket, we just need to solve the equation for
Therefore, one ticket costs $169.
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Not much can be done without knowing what 
is, but at the least we can set up the integral.
First parameterize the pieces of the contour:
where
and 
. You have
and so the work is given by the integral
First parameterize the pieces of the contour:
where
and so the work is given by the integral