Answer:
I think it's 66,6666666665
Explanation:
/5 = is the total of strawberries = 100
/6 = is the total of strawberries (ate) = 80
Arianna :
100 ÷ 5 = 20 × 4 = 80
Arianna's Sister :
5/6 out of 80 [4/5 !] = 80 ÷ 6 = 13,3333333333 × 5 = 66,6666666665
Hope I helped you ! :>