Mailbox

Mailbox is opening at regular intervals 3 times a day. The first time is opened at 8:00 and the last at 19:00. Calculate hours when mailbox is opened during day.

Result

T1 = 8:00 Wrong answer
T2 = 13:30 Wrong answer
T3 = 19:00 Wrong answer

Solution:

T1=(11)19831+8=8:00
T2=(21)19831+8=13:30
T3=(31)19831+8=19:00



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