Answer:
There are 15 boys
Step-by-step explanation:
x + y = 60
let x be the girls, y be the boys
60×3/4=x
45=x
now let's use the formula
45+y =60
y = 60 - 45
y=15
therefore, there are 15 boys in a class
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Answers & Comments
Answer:
There are 15 boys
Step-by-step explanation:
x + y = 60
let x be the girls, y be the boys
60×3/4=x
45=x
now let's use the formula
x + y = 60
45+y =60
y = 60 - 45
y=15
therefore, there are 15 boys in a class