|
618 WorkRate1 |
Name : _________________ |
||
|
20 people can do a job in 7 days. How many days would it take if there were only 5 people? |
12 people can do a job in 5 days. How many days would it take if there were only 6 people? |
|
+( ) |
|
( )+ |
|
++[[ ]]++ |
||
| 618 28 60 30 27 77 ( 222 ) 10 50 54 35 60 ( 209 ) [[ 431 ]] | ||
|
|
||