428 WorkRate1 |
Name : _________________ |
||
28 people can do a job in 6 days. How many days would it take if there were only 4 people? |
48 people can do a job in 12 days. How many days would it take if there were only 8 people? |
+( ) |
|
( )+ |
++[[ ]]++ |
||
428 42 30 72 77 72 ( 293 ) 72 36 44 20 10 ( 182 ) [[ 475 ]] | ||
|