Question

A, B and C can complete a work in 20, 30 and 25 days
respectively. A and B work together for 8 days and C
joins them on every second day, then D alone works
for two days and the remaining work is done by C
alone in 1 day. In how many days D alone can
complete 80% of the work?​

Answer 1

Answer:

sry

Step-by-step explanation:

i don't know amajjaajajjaakkaamamanbsshshsh

Answer 2

Answer:

question not properly explained so sorry