Answer: 5 5/7
Step-by-step explanation:
Number of pizza bought = 20
Fraction of pizza ate = 2/7
Therefore, the number of pizzas that have been eaten will be:
= Fraction of pizza eaten × Number of pizza bought
= 2/7 × 20
= 40/7
= 5 5/7
Therefore, 5 5/7 pizza have been eaten
