Ellie and Lanle are both riding electric scooters in the park. Ellie is riding 8 miles per hour. The equation below expresses Lanie's distance, d, as a relationship to her time, t (where time is in hours).
d = 10
Who is going faster? How much faster are they going compared to the other person?

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.