I got the following question in a WKAF mock exam and I can't work it out...

Department 4 & 5 have combined sales figures of £459,051.
Dept. 4 made twice as many sales as Dept. 5. What is the figure for sales made by Dept. 4?

Comments

  • CeeJaySixCeeJaySix Well-Known Posts: 645Registered
    This can be solved with some basic algebra.

    x = department 5 sales.
    Department 4 sales therefore = 2x (twice as many as department 5)
    Total sales = x + 2x = 3x

    Therefore 3x = 459,051
    And x = 153,017

    Department 4 = 2x = 2 x 153,017 = 306,034
    akilahdale
  • akilahdaleakilahdale Posts: 29Registered
    @CeeJaySix Well, that's embarrassing :/ Thanks so much for your help!

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