Our goal is to use function notation to represent the total fuel cost, in terms of the distance (in miles) of the trip. In doing so we first need to define a function, f , to determine the volume, v , of gasoline used in terms of the distance, d , of a trip.

The graph represents the gallons of water in a water tank with respect to the number of hours since it was completely filled

Two customers went to a post office. first customer paid $12 for 14 and 5 envelopes the second paid 24.80 for 10 postcards and 15 envelopes. what is cost of each envelope?

Trent wants to buy 2 packs of trading cards for 3 dollars each. the trading card packs that trent normally buys tend to come in packs of 6, 10, 12, or 15 cards. after selecting 2 packs, trent found that the first pack of cards cost 25 cents per card, and the second pack cost 30 cents per card. trent uses this information to write the equations below in order to compare c, the number of cards in each pack.