Question

1. P, Q and R completed a certain project working together. The number of hours for which P worked on the project was 2/3of that for which Q worked on the project, which in turn was 2/5 of that for which R
worked on the project. The number of hours for which R worked is what fraction of the total number of hours for which all three worked?​

Answer 1

Answer:

5 hours 4/8 fraction

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