Plz answer this! serious answers only please

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.

One integer is 5 more than another. their product is 104. find the integers

How to write four times a number,minus 6,is equal to theee times the number+8 as an equqtion