Arianna bought 16 postcards during 4 days of vacation. How many days will Arianna have to spend on vacation before she will have bought a total of 20 postcards? Assume the relationship is directly proportional
1 answer:
Answer:5 days
Step-by-step explanation:
16 divided by 4=4 postcards a day
20 divided by 4=5
5 days in total
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