569 WorkRate |
Name : _________________ |
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If Ann does a job in 5 days, and Bob does it in 10 days, how long do they take together? (Nearest to the 10th...) |
If Ann does a job in 2 days, and Bob does it in 6 days, how long do they take together? (Nearest to the 10th...) |
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569 3.3 3.6 3.6 2.3 1.7 ( 14.5 ) 1.5 3.2 3.2 4.2 3.6 ( 15.7 ) [[ 30.2 ]] | ||
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