True, lots of things are enjoyable once you like to do the activity
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The therapeutic value of a medication is called its efficacy.
Answer:
You must buy at least 3 shirts
Explanation:
10% of 17.99 is 1.799.
1.799 * 2 = 20% of 17.99
20% of 17.99 is 3.598 or 3.60
17.99 - 3.60 = price of shirt with 20% discount
14.39 = price of shirt with 20% discount
14.39x = 40
x = 2.78
You must buy at least 3 shirts