Nancy drove from New York to Boston, a distance of 1144.97 km. She drove with a friend for the first 711.5 km, and then by herse
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Answer:
320
Step-by-step explanation:
2 out of 5 is the ratio 2/5.
We want the denominator to become 800.
Since 2/5 = 320/800, he will need to prepare 320 cups of soup.