Too 10
S 4 u
6. Le magasin A offre un rabais d'un cinquième sur le prix de tous les articles en magasin.
Le magasinB annonce que le prix de tous les articles en magasin est réduit du tiers.
Détermine le magasin qui offre les meilleurs rabais.
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5
(ی - اند

White shapes and black shapes are used in a game. some of the shapes are circles. while the rest are squares. the ratio of the number of white shapes to the number of black shapes is 5: 11. the ratio of the number of white cicrles to the number of white squares is 3: 7. the ratio of the number of black circles to the number of black squres is 3: 8. work out what fraction of all the shapes are circles.