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283 WorkRate |
Name : _________________ |
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If Ann does a job in 3 days, and Bob does it in 7 days, how long do they take together? (Nearest to the 10th...) |
If Ann does a job in 6 days, and Bob does it in 8 days, how long do they take together? (Nearest to the 10th...) |
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| 283 2.1 2.7 5 2.5 1.5 ( 13.8 ) 3.4 2 1.5 3.3 2.7 ( 12.9 ) [[ 26.7 ]] | ||
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