|
447 WorkRate1 |
Name : _________________ |
||
|
28 people can do a job in 7 days. How many days would it take if there were only 4 people? |
40 people can do a job in 7 days. How many days would it take if there were only 8 people? |
|
+( ) |
|
( )+ |
|
++[[ ]]++ |
||
| 447 49 15 36 42 40 ( 182 ) 35 16 21 35 12 ( 119 ) [[ 301 ]] | ||
|
|
||