Answer:
The number of apples = 51 apples
Step-by-step explanation:
∵ The average = the total ÷ the number
∵ the average weight of a box of apples = 12.75 kg
∵ The average weight of an apple = 0.25 kg
∴ 12.75 = 0.25 × x ⇒ where x is the number of apples in the box
∴ x = 12.75 ÷ 0.25 = 51 apples
