- #1
Johnx1
- 49
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There were 42 pupils in a class at first. After 6 boys left the class, there were 3 times as many girls as boys. How many girls were there in the class?
My answer: 42 = (x+ 6) + 3x
=> x = 9the (x+6) is basically (boys + 6)
So there are 27 girls and 9 boys? Did I do my work correctly?
My answer: 42 = (x+ 6) + 3x
=> x = 9the (x+6) is basically (boys + 6)
So there are 27 girls and 9 boys? Did I do my work correctly?