Master Zhang transported 250 sheets of glass, and the agreed shipping fee was 3 yuan each. If there was any damage, the damaged glass would not only not pay the shipping fee, but also compensate for the loss of 15 yuan for each damaged glass. Then, if Master Zhang wants to get the shipping fee, the number of damaged glasses should not exceed.
张师傅运送玻璃250张，约定运费每张3元，若有损坏，被损坏的玻璃不仅不给运费，还要每损坏一张赔偿损失15元．那么，张师傅要想得到运费，损坏的玻璃不能超过多少张．
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