MG 1.3

                                                                             STANDARD                                                                     

       Use measures expressed as rates (e.g., speed, density) and measures expressed as products (e.g., person-days) to solve problems; check the units of the solutions; and use dimensional analysis to check the reasonableness of the answer. 

     Student Definition

     I can use unit rate ( ratios ) and measures expressed as person days to solve problems. I can use the analysis to check the reasonableness of the answer you get.

       EXEMPLAR # 1 

     If a Starbucks takes 400 man-hours to complete, how long will it take to complete the job with 50 people working on the job?

1st                                                                               Divide 400 man hours/50 people

Final Answer                                                              It will take 8 hours for 50 

                                                                                  people to complete the Starbucks.

EXEMPLAR #2

      A basketball can be bounced 25,000 times before the company says the maximum bounce has worn out. If six people bounce the ball what is the maximum bounces can each person have?

1st                                                                                Divide 25,000 bounces/6 people

Final Answer                                                   

                                                                      It will take 6 people an average of 4167

                                                          bounces before the maximam bounce is worn out.

Click Here To learn about rates