1) 14 : z = 7/15 2) 2 / x = 5/9

Question

1) 14 : z = 7/15
2) 2 / x = 5/9

Answer 1

1) z=14*15/7=30
2) x=2*9/5=18/5 (3.6)
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Answer 2

1) 14 : z = 7/15
     z = 14 : 7/15
     z = 30
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2) 2/x = 5/9
    5x = 2*9
    5x = 18
      x = 3,6