Finding the Whole from the Percent and Part

60% of the animals at a pet shop are dogs. If there are 42 dogs at the shop, then how many animals are there altogether?

If a car’s gas tank has 15 gallons of gas in it, and the gauge says the tank is 75% full, then how many gallons can the entire tank hold?

A fruit stand’s most popular fruit is strawberries, which account for 35% of their total sales. If they usually sell $70 worth of strawberries each day, what would their usual daily income be?

A mountain climber has made it 80% of the way up a mountain. If they have climbed to an altitude of 3,200 meters so far, how tall is the mountain?

A digital memory card is only 4% full. If there is 1.2 GB worth of data on the card, how much data can the entire card hold?

Some students are taking a timed test and they have spent 16 minutes on the test so far. If 20% of the time has gone by, how long do they have to complete the whole test?

A painter has finished painting 45% of a really long fence. If she has painted 90 feet so far, how long is the entire fence?

70% of the students at a school went on a field trip to an Aquarium. If there were 350 students on the trip, how many students attend that school?

A store’s parking lot is 10% full. If there are 12 cars in the lot, then how many cars can the entire parking lot hold?

A music store sells both electric and acoustic guitars. One month, the store sold 12 electric guitars. If that was 60% of their sales for the month, how many guitars did they sell that month in all?