|
364 WorkRate1 |
Name : _________________ |
||
|
15 people can do a job in 5 days. How many days would it take if there were only 3 people? |
21 people can do a job in 5 days. How many days would it take if there were only 7 people? |
|
+( ) |
|
( )+ |
|
++[[ ]]++ |
||
| 364 25 72 40 60 18 ( 215 ) 15 30 22 50 66 ( 183 ) [[ 398 ]] | ||
|
|
||