Question
Mark spent 25 of his salary on a mini-helicopter. He spent 12 of the remaining salary on a mini plane.
  1. What fraction of his salary was left?
  2. If he had left $21, how much salary did Mark have at first?
4 m
(a)

Click button first when a symbol is required. X

(b)

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Mark spent 25 of his salary on a mini-helicopter. He spent 12 of the remaining salary on a mini plane.
  1. What fraction of his salary was left?
  2. If he had left $21, how much salary did Mark have at first?