|
972 WorkRate1 |
Name : _________________ |
||
|
27 people can do a job in 6 days. How many days would it take if there were only 9 people? |
30 people can do a job in 9 days. How many days would it take if there were only 5 people? |
|
+( ) |
|
( )+ |
|
++[[ ]]++ |
||
| 972 18 24 10 24 60 ( 136 ) 54 15 60 24 21 ( 174 ) [[ 310 ]] | ||
|
|
||