Carl buys seven 5-gallon jugs of water for the water cooler. How many liters of water did Carl buy?

Pls! does anybody know a shortcut for answering these types of questions in the future?

Karen is financing $291,875 to purchase a house. she obtained a 15/5 balloon mortgage at 5.35%. what will her balloon payment be? a. $220,089.34 b. $219,112.46 c. $246,181.39 d. $230,834.98

Kayaks rent for $35 per day. which expression can you use to find the cost in dollars of renting 3 kayaks for a day?