+4 In a school of 520 students, 40% are girls. 1/2 of the girls and 1/3 of the boys travel to school by bus. How many students travel to schools by bus?
+318 https://www.quora.com/In-a-school-of-520-students-40-are-girls-1-2-of-the-girls-and-1-3-of-the-boys-travel-to-school-by-bus-How-many-students-travel-to-schools-by-bus
this should help you in this link
+2094 girls: 520 times 0.4 equals 208 girls.
1/2 of othat is 104.
104 girls travel by bus.
60 percent are boys.
520 times 0.6 is 312 boys.
312 boys travel by bus.
add that and get 416.
+1694 In a school of 520 students, 40% are girls. 1/2 of the girls and 1/3 of the boys travel to school by bus. How many students travel to schools by bus?
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Girls 520 * 0.4 = 208
Boys 520 - 208 = 312
Girls who travel by bus 1/2(208) = 104
Boys who travel by bus 1/3(312) = 104
Students who travel to schools by bus = 208 or 40% of all students. 
