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In one class 46 percent of students are girls and 58 percent are boys how many girls and how many boys in the class?
It is not opssible to give a sensible answer to this question. 46+58 = 104. So if the class has 46% girls and 58% boys then the class has 4% who are simultaneously girls and boys.
Is the sixth tallest in his class and he is also the sixth shortest in his class?
From the given information, one can infer that the subject is in a class of 11 people. In addition, he has the median height among all students in his class.
There are twice as many girls as boys in a chemistry class If 50 percent of the girls and 80 percent of boys have finished the test what percent are still working on the test?
Still working on the test. At first glance you know that at least one third of the class is still working on it (half the girls are one third of the class). And since over half the boys have finished, you know the total remaining is less than half. You can figure it out using any numbers to set it up, but let's use 20 girls and 10 boys as the simplest. So 10 girls and 8 boys have finished for a total of 18, which leaves 12 still working on it. 12/30 is 6/15ths which is 2/5ths which is the same as 40%.
What is the trick for working out ratios and proportion?
the trick for working ratio and proportions out is to,eg, say if there 5 girls in a class and the ratio of how many boys was 5:1 there will be 25 boys because you simply have to do 5x5=25 then simply times it by one .i think
Mr Harrow has eight boys and six girls in his Honors Precalculus class If he randomly chooses two students one at a time what is the probability that they are both girls?
this is 15/91
