Mathematics, 22.06.2021 04:30, amesha62

x, y, z can finish a piece of work in 20, 30, and 40 days respectively. If x left the work after working for 5 days, in how many days can y and z together complete the remaining work?

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x, y, z can finish a piece of work in 20, 30, and 40 days respectively. If x left the work after wor...