The time t required to do a job varies inversely as the number of people working. It takes 4 hr for cooks to prepare the food a wedding rehearsal dinner.…
learn maths and leave the fear of it
learn maths and leave the fear of it
The time t required to do a job varies inversely as the number of people working. It takes 4 hr for cooks to prepare the food a wedding rehearsal dinner.…
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