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503 WorkRate |
Name : _________________ |
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If Ann does a job in 5 days, and Bob does it in 8 days, how long do they take together? (Nearest to the 10th...) |
If Ann does a job in 8 days, and Bob does it in 9 days, how long do they take together? (Nearest to the 10th...) |
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| 503 3.1 1.6 2.2 2 3.9 ( 12.8 ) 4.2 2 2 2.4 1.6 ( 12.2 ) [[ 25 ]] | ||
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