请高手翻译两道gmat数学题并求解
1、incityxlastApril,wastheaverage(arithmeticmean)dailyhightemperaturegreaterthanthemediandailyhightemperature?
(1)incityxlastApril,thesumofthe30dailyhightemperaturewas2,160°
(2)incityxlastApril,60%ofthedailyhightemperaturewerelessthantheaveragedailyhightemperature.
2、ifsandtarepositiveintergerssuchthats/t=64.12,whichofthefollowingcouldbetheremainderwhensisdividedbyt?
(a)2
(b)4
(c)8
(d)20
(e)45
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