|
770 WorkRate1 |
Name : _________________ |
||
|
42 people can do a job in 7 days. How many days would it take if there were only 7 people? |
28 people can do a job in 11 days. How many days would it take if there were only 7 people? |
|
+( ) |
|
( )+ |
|
++[[ ]]++ |
||
| 770 42 70 45 35 15 ( 207 ) 44 72 14 72 70 ( 272 ) [[ 479 ]] | ||
|
|
||