Answer:
40%
Explanation:
Divide the number of pizzas Michael bought by the total and multiply this by 100%
Total = 18 + 12 = 30
Michael bought = × 100% = = 40%
Answer: 40%
Step-by-step explanation: 18 + 12 = 30 (Total number of pizzas) 12 ÷ 30 =40%
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