Question
Billy, Sam and Carl went shopping. Billy and Sam spent a total of $235. Billy and Carl spent $685 altogether.  Carl spent 7 times as much as Sam.
  1. How much did Sam spend?
  2. How much did Billy spend?
4 m
(a)

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(b)

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Billy, Sam and Carl went shopping. Billy and Sam spent a total of $235. Billy and Carl spent $685 altogether.  Carl spent 7 times as much as Sam.
  1. How much did Sam spend?
  2. How much did Billy spend?