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931 WorkRate |
Name : _________________ |
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If Ann does a job in 9 days, and Bob does it in 2 days, how long do they take together? (Nearest to the 10th...) |
If Ann does a job in 4 days, and Bob does it in 3 days, how long do they take together? (Nearest to the 10th...) |
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| 931 1.6 2 2 3.9 1.6 ( 11.1 ) 1.7 3.7 2.1 4.2 1.2 ( 12.9 ) [[ 24 ]] | ||
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