1.

By increasing the price of entry ticket to a fair in the ratio 13:16, 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. decreased in the ratio 144:143
B. increased in the ratio 117:176
C. increased in the ratio 143:144
D. decreased in the ratio 176:117
Answer» D. decreased in the ratio 176:117


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