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545 WorkRate |
Name : _________________ |
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If Ann does a job in 5 days, and Bob does it in 2 days, how long do they take together? (Nearest to the 10th...) |
If Ann does a job in 9 days, and Bob does it in 3 days, how long do they take together? (Nearest to the 10th...) |
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| 545 1.4 2.1 2.1 3.9 1.3 ( 10.8 ) 2.2 3.7 2.7 2.8 1.2 ( 12.6 ) [[ 23.4 ]] | ||
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