I have a question about math .Help me!

来源：学生作业帮编辑：拍题作业网作业帮分类：数学作业时间：2024/04/25 10:06:35

I have a question about math .Help me!
某城市平均每天产生垃圾700吨,由甲乙两厂处理,已知甲厂每小时可处理55吨,需要550元,乙厂每小时可处理垃圾45吨.需要用495元
如果该城市每天处理垃圾的费用是7300元,甲厂每天处理垃圾至少需要多少小时?
注意:题目和其它的百度中的问题有些相似.用一元一次方程.
注意:题目和其它的百度中的问题有些相似.用一元一次方程.

甲厂处理55吨需要550元,10元每吨
乙厂处理45吨需要495元,11元每吨
所以用甲厂比较划算
700/55=12.7 小时
需要费用是7000元

I have a question about math .Help me! I have a question about English.Help me! I have a question.Who help me? i have a question!help me! I have a question!Can you help me?Thanks! I have a math problem.还是Ihavea math question? I have a problem about english,who can help me? I'm worried about an English question..please help me . Help me a question! I have a question about the CSO I have a question,not about you. I have a question about r_____ English