|
826 WorkRate1 |
Name : _________________ |
||
|
21 people can do a job in 9 days. How many days would it take if there were only 7 people? |
24 people can do a job in 5 days. How many days would it take if there were only 4 people? |
|
+( ) |
|
( )+ |
|
++[[ ]]++ |
||
| 826 27 28 36 84 30 ( 205 ) 30 27 55 30 33 ( 175 ) [[ 380 ]] | ||
|
|
||