A car rents for $180 per week plus $0.25 per mile. Find the cost of renting this car for a two week trip of 400 miles for a family of 4.

9514 1404 393

  $460

Step-by-step explanation:

If w is the number of weeks the car is rented, and m is the number of miles driven, the cost structure tells you the rental cost (c) is ...

  c = 180w +0.25m

For w=2 and m=400, this becomes ...

  c = 180·2 +0.25·400 = 360 +100 = 460

The cost of the 2-week rental will be $460.

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The family size is irrelevant to the cost.

y < -3

step-by-step explanation:

-3y - 2 > 7

-3y -2 + 2 > 7+2

-3y > 9

-3y/-3 < 9/-3   (change the inequality sign when multiplying or dividing by a negative number)

y < -3