|
139 WorkRate |
Name : _________________ |
||
|
If Ann does a job in 10 days, and Bob does it in 7 days, how long do they take together? (Nearest to the 10th...) |
If Ann does a job in 9 days, and Bob does it in 8 days, how long do they take together? (Nearest to the 10th...) |
|
+( ) |
|
( )+ |
|
++[[ ]]++ |
||
| 139 4.1 3.7 1.3 2.2 2.7 ( 14 ) 4.2 2.2 2.2 3.2 3.7 ( 15.5 ) [[ 29.5 ]] | ||
|
|
||