一道GMAT OG上的数学题Of the 230 single-family homes built in City X last year,how many were occupied at the end of the year?(1)Of all single-family homes in City X,90 percent were occupied at the end of last year.(2)A total of 7200 single-fami

一道GMAT OG上的数学题Of the 230 single-family homes built in City X last year,how many were occupied at the end of the year?(1)Of all single-family homes in City X,90 percent were occupied at the end of last year.(2)A total of 7200 single-fami 问一道OG上的SAT数学题, 一道GMAT数学题(OG上的）应该不难的 可不知卡在哪儿了.John has 10 pairs of matched socks.If he loses 7 individual socks,what is the greatest number of pairs of matched socks he can have left?A.7 B.6 C.5 D.4 E.3 为什么不是A呢? 一道GMAT的数学题 一道关于GMAT的数学题 GMAT官方指导（OG）上的数学题What is the volume of a certain rectangular solid?(1) Two adjacent faces of the solid have areas 15 and 24, respectively(2) Each of two opposite faces of the solid has area 40我不理解第二个条件的意思 SAT OG, P797/10一道OG上的数学题,帮忙翻译一下.各位大侠哪位帮忙翻译一下OG上一道数学题啊?原题是：Philip used four pieces of masking tape, each 6 inches long, to put up each of his posters. Philip had a 300 foot rool o GMAT一道数学题, 一道sat的数学题 og上585页 18题有没有人会做这道题,请详解, 一道SAT数学题,OG上的,The figure above shows part of a circle whose circumference is 45.If arcs of length 2 and length b continue to alternate around the entire circle so that there are 18 arcs of each length ,what is the degree measure of each 一道GRE数学题,OG上的,没明白,Let S be the set of all positive integers n such that n^2 is a multiple of both 24 and108.Which of the following integers are divisors of every integer n in Indicate all such integers.A.12 B.24 C.36 D.72 为什么GMAT的OG那么贵啊? SAT OG上的一道数学题,被这道题整的很是郁闷啊!any 2 point determine a line.if there are 6 point in a plain ,no 3 of which lie on the same line.how many lines are determined by pairs of these 6 point?就是说 同一平面上有六个 GMAT OG上 DS题一道~If $5000 invested for one year at p percent simple annual interest yield $500,what amount must be invested at k percent simple annual interest for one year to yield the same number of dollar1)k=0.8p 2)k=8 sat og上第三套的一道数学题The pattern shown above is composed of rectangles. This pattern is used repeatedly to completely cover a rectangular region 12L units long and 10L units wide. How many rectangles of dimension L by W are needed?B) 3 gmat数学DS部分 prep上的一道题,gmat数学DS部分 prep上的一道题,也看不到答案.177.If x and y are positive integers,what is the value of xy (1) The greatest common factor of x and y is 10.(2) The least common multiple of x and y is gmat og的上的题目,新手提问1)a marketing firm determined that, of 200 household surveyed 80 used neither brand A nor brand B soap, 60 used only brand A soap, 3 used only brand B soap.How many of the 200 households surveyed used both brands of GMAT OG上一道语法题目The World Wildlife Fund has declared that globalwarming,a phenomenon most scientists agree to becaused by human beings in burning fossil fuels,willcreate havoc among migratory birds by altering theenvironment in ways harmf