Sagot :
bonjour
bonbons sucettes total
chocolat 8 20 28
fruits 12 20 32
total 20 40 60
proportion de sucettes aux fruits parmi les sucettes = 20/40 = 1/2
proportion de sucettes aux fruits parmi les confiseries = 20/60 = 1 /3
Bonsoir,
Sucettes: 60-20 =>40
Bonbons aux fruits: 20-8 => 12
Sucettes aux fruits: 32-12 => 20
Total chocolat: 60 -32 => 28
sucettes chocolat: 28-8 = 20
total sucettes: 20+20 => 40
8 20 28
12 20 32
20 40 60
1)
Sucettes aux fruits: 20/40 = 2/4 = 1/2 des sucettes
2)
20 /60 = 2/6 = 1/3 des confiseries