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Direct proportions

  •  English    40     Public
    Direct proportions
  •   Study   Slideshow
  • 4 books cost $8. How much do 6 books cost?
    $12
  •  15
  • 3 pens cost $9. How much do 5 pens cost?
    $15
  •  15
  • 2 kg of rice costs $6. How much do 7 kg cost?
    $21
  •  15
  • 5 oranges cost $10. How much do 8 oranges cost?
    $16
  •  15
  • 4 notebooks cost $12. How much do 7 notebooks cost?
    $21
  •  15
  • 6 bottles of water cost $18. How much do 10 bottles cost?
    $30
  •  15
  • 3 metres of cloth cost $15. How much do 8 metres cost?
    $40
  •  15
  • 2 tickets cost $14. How much do 9 tickets cost?
    $63
  •  15
  • 5 bananas cost $20. How much do 3 bananas cost?
    $12
  •  15
  • 4 pencils cost $8. How much do 9 pencils cost?
    $18
  •  15
  • 7 mangoes cost $21. How much do 4 mangoes cost?
    $12
  •  15
  • 3 packets of juice cost $6. How much do 11 packets cost?
    $22
  •  15
  • 2 loaves of bread cost $4. How much do 6 loaves cost?
    $12
  •  15
  • 5 chairs cost $25. How much do 9 chairs cost?
    $45
  •  15
  • 4 bars of soap cost $16. How much do 6 bars cost?
    $24
  •  15
  • 3 exercise books cost $12. How much do 10 exercise books cost?
    $40
  •  15