悬赏10分,把这道有关比率的英语数学题翻译过来并且做出来。
inlinewiththeconsumerpriceindex(CPI),railfareswereincreasedintheratio10:9.1.iftheoldw...
in line with the consumer price index(CPI),rail fares were increased in the ratio 10:9.
1.if the old weekly ticket cost $36,what is the new price?
2.Calculate the percentage increase on the original price.
回答那位,麻烦把过程写出来啊!!!!! 展开
1.if the old weekly ticket cost $36,what is the new price?
2.Calculate the percentage increase on the original price.
回答那位,麻烦把过程写出来啊!!!!! 展开
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