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Doucheschuim

Omrekenen van kostprijs flacons doucheschuim naar kostprijs per douchebeurt.

Ray2000
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Doucheschuim

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  1. Hoe los ik deze opgave op? Stap 1. Wat is het einddoel van de opgave? Prijs van 1 douchebeurt in centen bepalen.

  2. Stap 2.Prijs per jaar: 2 x € 35,- = € 70,- Dit is 7000 cent. 365 dagen kosten samen 7000 cent.

  3. Stap 3. De prijs van 1 dag bepalen. 1 dag (4 douchebeurten) kost: 7000 : 365 = 19,178…. Cent.

  4. 4,8 Stap 4. De prijs van 1 douchebeurt bepalen. 1 douchebeurt kost: 19,178…. : 4 = 4,8 Cent.

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