Asked by Jenny
At first one third of the class were boys. Then another boy joined the class. Now three out of eight of the class are boys how many students are in the class now? (Hint:There are fewer than 40 students in the class.)
Answers
Answered by
Steve
b = c/3
b+1 = 3/8 (c+1)
b=5
c=15
check:
at first, there were 5 boys in a class of 15
6 boys is 3/8 of 16
b+1 = 3/8 (c+1)
b=5
c=15
check:
at first, there were 5 boys in a class of 15
6 boys is 3/8 of 16
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