145 WorkRate |
Name : _________________ |
||
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...) |
If Ann does a job in 9 days, and Bob does it in 10 days, how long do they take together? (Nearest to the 10th...) |
+( ) |
|
( )+ |
++[[ ]]++ |
||
145 4.7 2.7 1.6 2 2.1 ( 13.1 ) 4.7 3.9 3.2 2.9 4.1 ( 18.8 ) [[ 31.9 ]] | ||
|