the ratio of boys to girls in a class is 7:5 . there are 36 students in the class. how many students are boys
2 answers:
Answer:
21 boys are there in the class.
Step-by-step explanation:
7x + 5x = 36
12x = 36
x = 36 / 12
x = 3
∴ The number of boys in the class is:
7 * 3 = 21
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