The sum of Jeff's and his grandfather's ages is 80 years. Jeff's grandfather is 2 years more than 5 times Jeff's age. Find each person's age in years.

Miguel bought a movie ticket that cost $5. he also bought popcorn and a bottle of water. how much did miguel spend altogether?

Convert 16 yards to feet use the conversion rate 3 feet = 1 yard

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.