Question

A can build a room in 50 days. A & B together can build
a room in 25 days. They worked together for 15 days and
then B goes away. In how many days will A finish the
remaining work?​

Answer 1

Step-by-step explanation:

amitj4056

Expert

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Answer:

20 days

Step-by-step explanation:

A builds 1 room in 50 days=1 room/50 days=1/50 room/day

A+B build 1 room in 25 days=1 room/25 days=1/25 room/day

In 15 days A+B build: 15 days(1/25 room/day)=15/25 of the room

This leaves 10/25 or 20/50 of the room for A to complete alone

(20/50 room)/((1/50 room/day)=20 days

ANSWER It would take A 20 more days to complete the room alone.

Answer 2

Answer:

20 more days

Step-by-step explanation:

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