Sagot :
bonjour
2 + 5 + 9 = 16
on partage en 16
160 x 2/16 = 20 €
160 x 5/16 = 50
160 * 9/16 = 90
2 + 5 + 9 = 16
160 / 16 = 10
donc ratio 2 = 2 * 10
ratio 5 = 5 * 10
ratio 9 = 9 * 10
bonjour
2 + 5 + 9 = 16
on partage en 16
160 x 2/16 = 20 €
160 x 5/16 = 50
160 * 9/16 = 90
2 + 5 + 9 = 16
160 / 16 = 10
donc ratio 2 = 2 * 10
ratio 5 = 5 * 10
ratio 9 = 9 * 10