Question

Anyone please tell the answer and thanks!

Emma bought 9 postcards during 3 days of vacation. How many days will Emma have to spend on vacation before she will have bought a total of 12 postcards? Assume the relationship is directly proportional.

Answer 1

The correct answer is 4 days

Step-by-step explanation:

9 postcards in 3 days indicates that she bought 3 postcards a day.

So, the number of days to buy 12 postcards would be 4. Hope this helps :)