|
808 WorkRate1 |
Name : _________________ |
||
|
21 people can do a job in 6 days. How many days would it take if there were only 7 people? |
18 people can do a job in 7 days. How many days would it take if there were only 3 people? |
|
+( ) |
|
( )+ |
|
++[[ ]]++ |
||
| 808 18 48 84 10 54 ( 214 ) 42 18 28 27 48 ( 163 ) [[ 377 ]] | ||
|
|
||