A certain lab experiments with white and brown mice only. In one experiment, 2/3

游客2024-01-14 61

问题 A certain lab experiments with white and brown mice only. In one experiment, 2/3 of the mice are white. If there are 13 brown mice in the experiment, how many mice in total are in the experiment?

选项 A、39
B、33
C、26
D、21
E、10

答案 A

解析 Brown mice make up 1/3 of the mice in the experiment, so the total number of mice is 13×3=39.

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A certain lab experiments with white and brown mice only. In one experiment, 2/3

I______myexperimentreportallthemorningandhaven’tfinishedyet.A、writeB、

Experimentsinthephotographyofmovingobjects______inboththeUnitedState

Theexperiment,______willsoonbeannounced,wasdonebymycolleagues.A、whose

Science,inpractice,dependsfarlessontheexperimentsitpreparesthanon

WINK,Inc.followsacertainprocedurethatrequirestwotaskstobefinishedin

Acertainprosthodontistspecializesinimplantinggoldandsilverteethinhis

Inacertainconservativemutualfund,70percentofthemoneyisinvestedinbo

Acertainlabexperimentswithwhiteandbrownmiceonly.Inoneexperiment,2/3

Inacertaingrowthfund,3/5oftheinvestmentcapitalisinvestedinstocks,a

Thetablebelowshowstheenrollmentinvariousclassesatacertaincollege.[im

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