|
378 WorkRate1 |
Name : _________________ |
||
|
21 people can do a job in 5 days. How many days would it take if there were only 3 people? |
49 people can do a job in 7 days. How many days would it take if there were only 7 people? |
|
+( ) |
|
( )+ |
|
++[[ ]]++ |
||
| 378 35 24 54 12 60 ( 185 ) 49 20 30 12 20 ( 131 ) [[ 316 ]] | ||
|
|
||