Robert earns $300 every week. what equation shows the relationship between salary per week (s), number of weeks worked (w), and total income

Ineed how factor it by finding the gcf

Pls will give brainliest and all p. s u can zoom in if u cant see plss

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.