Samantha bought 10 identical shirts for $25. If she bought 25 of those same shirts, how much will she pay?
2 answers:
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Let n be unknown number, then 1/5 of this number is 1/5n. When you add these two numbers, you get
You know that this sum is equal to 24, so
1. Multiply this equation by 5:
2. Solve it:
Answer: n=20, correct choice is B.