The classroom

In the seventh grade, the ratio of boys to girls is 4:5. There are 16 boys. How many students are in the class in total?

Final Answer:

n =  36

Step-by-step explanation:

a=16 a:b=4:5  5a=4b 5 16=4b  5 16=4 b  4b=80  b=480=20  b=20  n=a+b=16+20=36



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