A Plane is flying at 850 m and decides it needs to fly higher, it
ascends for 5 minutes at 30 meters per minute, how high is it after
the 5 minutes?
If at 850 m the plane had decided to land instead of going up, and it
descended at a rate of 100 meters per minute, how many minutes
would it take to land?
An ocean oil rig near Alaska has a fraction of one seventh showing
above the surface, and its frame extends 120 m below the surface of
a) What fraction of the oil rig is below the surface?
b) What is the height of the oil rig above the surface of the ocean?
Julius is selling iced tea at his iced tea stand. He starts off with 10
litres, after the first hour he sells 1/8, after the second hour he sells
1/4 of what was left after the first hour, and after the third hour he
sold 2/5 of what was left after the second hour. After the third hour,
how much does he have left to sell for the rest of the day?
You want to paint an area that is a square. The paint you bought
states that 1L will cover 22 m2, if you want to make the largest
square possible, what length will you need to make each side of
You bought a bag of grass seed that covers 150 m2. You then used
2/3 of that on the front yard one year. The next year you want to
make a square using the remainder of the grass seed in your back
yard. What is the side length of the largest square you can make?