|
639 WorkRate |
Name : _________________ |
||
|
If Ann does a job in 6 days, and Bob does it in 7 days, how long do they take together? (Nearest to the 10th...) |
If Ann does a job in 10 days, and Bob does it in 9 days, how long do they take together? (Nearest to the 10th...) |
|
+( ) |
|
( )+ |
|
++[[ ]]++ |
||
| 639 3.2 4.1 2 3.1 3.1 ( 15.5 ) 4.7 2.8 2.2 2.7 2.2 ( 14.6 ) [[ 30.1 ]] | ||
|
|
||