Study

Year 7 11.1 Functions

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  • The mass of 100 A$ sheets of paper is 250g. Work out the mass of 10 A4 sheets of paper.
    25 g
  • The length of a rectangle is twice its width. If the width is 5 cm, work out the length.
    10 cm
  • The length of a rectangle is four times its width. What is the width of the rectangle if the length of the rectangle is 100cm ?
    25cm
  • The length of a rectangle is four times its width. The width is w cm and the length is L cm. Write down the function: L = ........
    L = 4w
  • Zara's mass is half the mass of Sofia. What is the mass of Zara if mass of Sofia is 60 kg?
    30 kg
  • In a test, Arun scored 3 marks fewer than Sofia. If Sofia scored 30 marks, how many marks did Arun score?
    27
  • The length of a rectangle is twice its width. If the width is 6.5 cm, work out the length.
    13 cm
  • Twenty books cost $ 340. Work out the cost of 10 books.
    $ 170
  • The length of a rectangle is four times its width. What is the length of the rectangle if the width of the rectangle is 11cm ?
    44 cm
  • The price of a train ticket is $ 12 more than the price of a bus ticket. The price of the bus ticket is $b. What is the price of the train ticket?
    $ (b + 12)
  • The price of a train ticket is $ 12 more than the price of a bus ticket. Find the price of the train ticket if the price of the bus ticket is $9.
    $21
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