【HELP...me...1.yis_9_ofx.whatpercentageofxis25rherequiredpercentage=_______×_______%=_________2.inabasketballteamofayouthclub,25%ofteamareofagetwelve,_2_ofthemareofagethirteenandrestareofagefourteen.what5percentage】
HELP...me...
1.yis_9_ofx.whatpercentageofxis
25
rherequiredpercentage=_______×_______%
=_________
2.inabasketballteamofayouthclub,25%ofteamareofagetwelve,_2_ofthemareofagethirteenandrestareofagefourteen.what
5percentageoftheteamisofagefuorteen?
3.calculate(12%+8%)×16%÷8%.
4.thereare6artsbooksinabookcase.thenumbersofartsbooksinthetbookcaseis25%thetofscientificfictions,andthenumberofscientficfictionsis40%ofthewholenumberofbooks.howmanybooksaeinthebookcase?
letxbethewholenumberofbooks.
numberofscientificfiction=x×________
numberofartsbooks=25%×______________=6
x=_____________
∴thereare_________booksinthebookcase.
第二题是五分之二