Joe filled up his car’s gas tank. after travelling 165 km, 3 8 of the gas in the tank was used. at this rate, approximately how much farther can the car travel before its fuel tank is completely empty?

There were 816 people at a concert when a band started to play. after each song, only half the people stayed to hear the next song. how many people were left at the concert after x songs? write a function to represent this scenario.

Acar travels at an average speed of 52 miles per hour. how long does it take to travel 299 miles

Marla bought a book for $12.95, a binder for $3.49, and a backpack for $44.99. the sales tax rate is 6%. find the amount of tax and the total she paid for these items