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A ceramics class has 75 percent girls and 25 percent boys.There are 21 girls in the class. How many boys are there in the class?
7 boys
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.
53 percent of 1000 students are girls how many boys are there?
470
How many girls are in the class room if 60 percent of 30 students in the class were girls?
17. There should be 18, but one has gone to the toilet.
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%.
