可汗SAT数学练习题:Systems of linear inequalities word problems【6】

2022-05-20 17:05:24

  可汗

  24.Cecília has 2 jobs. The first job pays $8.20 per hour and the second job pays $14.60 per hour. Each week, Cecília can work no more than 40 hours, but she needs to make at least $440. In one week, Cecília works a hours at the first job and b hours at the second job. Which graph represents the number of hours that Cecília can work at each of her two jobs to satisfy these conditions?

  

  25.bags of mulch and v is the cubic feet of mulch. Which of the following purchases could have come from this company?

  


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