Bucket a starts with 2 gallons of water in it and is being filled with water at a rate of 0.5 gallons per minute. bucket b starts with 14 gallons of water and is leaking water at a rate of 1.5 gallons per minute. when will the buckets have the same amount of water?

What is the most accurate measurement of 1 pound

How do you solve a question like this?

The u-drive rent-a-truck company plans to spend $13 million on 320 new vehicles. each commercial van will cost $25 comma 000, each small truck $50 comma 000, and each large truck  $80 comma 000. past experience shows that they need twice as many vans as small trucks. how many of each type of vehicle can they buy?