197 WorkRate |
Name : _________________ |
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If Ann does a job in 2 days, and Bob does it in 9 days, how long do they take together? (Nearest to the 10th...) |
If Ann does a job in 10 days, and Bob does it in 9 days, how long do they take together? (Nearest to the 10th...) |
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197 1.6 2.7 1.6 1.7 4.4 ( 12 ) 4.7 3.9 2.9 2.9 4.2 ( 18.6 ) [[ 30.6 ]] | ||
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