Original price 60 yuan, how much should Xiao Ming pay for these two books on June 1st?
The original price of Five Thousand Years Up and Down is 78 yuan, and the original price of One Hundred Thousand Why is 60 yuan. How much do these two books cost on June 1 day? Huh? Books will be 20% off in June 1 day.
(78+60)x80%
= 138×0.8
= 1 10.4 yuan