|
415 WorkRate1 |
Name : _________________ |
||
|
16 people can do a job in 9 days. How many days would it take if there were only 4 people? |
16 people can do a job in 10 days. How many days would it take if there were only 8 people? |
|
+( ) |
|
( )+ |
|
++[[ ]]++ |
||
| 415 36 45 27 30 84 ( 222 ) 20 48 60 24 45 ( 197 ) [[ 419 ]] | ||
|
|
||