Answer: 2 apples, 1 1/2 lemon and 4 peach
Explanation:
Fruits used for Fred's recipe fur a single smoothie:
Apple = 1/3
Lemon = 1/4
Peach = 2/3
When the family of 6 arrived, the fruits needed to make smoothies for entire family will be:
Apple = 1/3 × 6 = 2
Lemon = 1/4 × 6 = 1 1/2
Peach = 2/3 × 6 = 4