|
479 WorkRate1 |
Name : _________________ |
||
|
16 people can do a job in 7 days. How many days would it take if there were only 4 people? |
28 people can do a job in 12 days. How many days would it take if there were only 4 people? |
|
+( ) |
|
( )+ |
|
++[[ ]]++ |
||
| 479 28 35 22 20 72 ( 177 ) 84 24 45 20 48 ( 221 ) [[ 398 ]] | ||
|
|
||