620 WorkRate |
Name : _________________ |
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If Ann does a job in 6 days, and Bob does it in 10 days, how long do they take together? (Nearest to the 10th...) |
If Ann does a job in 3 days, and Bob does it in 6 days, how long do they take together? (Nearest to the 10th...) |
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620 3.8 1.6 1.6 1.2 1.7 ( 9.9 ) 2 3.9 2.7 2.1 4.4 ( 15.1 ) [[ 25 ]] | ||
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