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Question 970662: Alice organized a yard sale of her old books on Saturday and Sunday, and expected to sell and equal number of books on each day. However, due to heavy rains on Saturday she could sell only 20% of her books that day. She managed to sell the rest of them on Sunday. Had she sold 36 more books on Saturday, she would have met her expectation, Find the number of books she sold altogther.
Answer by lwsshak3(11628)   (Show Source):
You can put this solution on YOUR website! Alice organized a yard sale of her old books on Saturday and Sunday, and expected to sell and equal number of books on each day. However, due to heavy rains on Saturday she could sell only 20% of her books that day. She managed to sell the rest of them on Sunday. Had she sold 36 more books on Saturday, she would have met her expectation, Find the number of books she sold altogether.
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let x=number of books she sold altogether.
20%x+36=x/2
.20x+36=x/2
.40x+72=x
0.6x=72
x=120
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