Sarah's new puppy weighed 5 2/7 pounds. After a month it had gained 5 7/10 pounds. What is the weight of the puppy after a month? Answer as a mixed number.

Apositive number a or the same number a increased by 50% and then decreased by 50% of the result?

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?

Awater tank holds 18000 gallons. how long will it take for the water level to reach 6000 gallons if the water is used at anaverage rate of 450 gallons per day