|
847 WorkRate1 |
Name : _________________ |
||
|
21 people can do a job in 8 days. How many days would it take if there were only 7 people? |
24 people can do a job in 12 days. How many days would it take if there were only 4 people? |
|
+( ) |
|
( )+ |
|
++[[ ]]++ |
||
| 847 24 24 28 77 30 ( 183 ) 72 24 44 30 30 ( 200 ) [[ 383 ]] | ||
|
|
||