Mark is making 10 kites. he uses 5yards of ribbon for each kite. he has already made 2 of the kites. how many yards of ribbon will mark need to make the rest of the kites?

If a baby uses 15 diapers in 2 days, how many diapers will the baby use in a year?

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.

Marla bought a book for $12.95, a binder for $3.49, and a backpack for $44.99. the sales tax rate is 6%. find the amount of tax and the total she paid for these items