Solving direct proportion

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Solving Direct Proportion

Rules for solving direct proportion:

Part one:

  • Create a proportion expression, eg- y cx x
  • Convert to an equation ie. y= kx
  • Use the values given for x and y to work out k
  • Rewrite y=kx using the value of k

Part 2:

  • Now use whatever value they give you to work out the "the other variable"



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