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1. |
By increasing the price of entry ticket to a fair in the ratio 5:7, the number of visitors to the fair has decreased in the ratio 11:9. In what ratio has the total collection increased or decreased? |
A. | increased in the ratio 55:63 |
B. | decreased in the ratio 63:55 |
C. | increased in the ratio 45:77 |
D. | decreased in the ratio 77:45 |
Answer» B. decreased in the ratio 63:55 | |