Data Analysis: There are 147 buses that are cleaned by one cleaner every 114 days....

[biglayh]

There are 147 buses that are cleaned by one cleaner every 114 days. Each cleaner can do two buses a day seven days a week. The buses need to be cleaned every 75 days. How many cleaners do I need and how do I go about calculating this?

 

[tkhunny]

Well, you dig in and start calculating. Generally a schedule of some sort is helpful. Spreadsheets are wonderful things.

 

[Dr.Peterson]

There are 147 buses that are cleaned by one cleaner every 114 days. Each cleaner can do two buses a day seven days a week. The buses need to be cleaned every 75 days. How many cleaners do I need and how do I go about calculating this?

I'm not sure what the 114 days means, in comparison to the 75 days. But it seems to me that if one cleaner does 2 buses a day, then in 75 days he can do 150 buses, and your needs are taken care of! They've all been cleaned within the required time. Or am I misunderstanding something?

Note that what I've done is what tkhunny suggested: just start calculating SOMETHING, and you'll have a better idea what to do next. You don't have to wait until you know exactly everything you'll need to do; each step you take increases your understanding of the problem. On my end, by trying something and telling you my results, I've hopefully helped you clarify the problem, if I haven't provided the answer.