|
968 WorkRate1 |
Name : _________________ |
||
|
54 people can do a job in 5 days. How many days would it take if there were only 9 people? |
42 people can do a job in 7 days. How many days would it take if there were only 7 people? |
|
+( ) |
|
( )+ |
|
++[[ ]]++ |
||
| 968 30 48 44 12 21 ( 155 ) 42 36 24 48 15 ( 165 ) [[ 320 ]] | ||
|
|
||