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The ratio of the number of girls to the number of boys was 3 to 7. If 2,520 students were present, how many were girls and how many were boys

Sagot :

Answer: 756: 1764

756 girls and 1,764 boys

Step-by-step explanation:

Girls to boys- 3:7

Total Students: 2,520

Using the information given, you will create an equation.

3x + 7x = 2,520

10x = 2,520

X = 252

Now you plug-in 252 for x in your ratio

X is the the number of people

3(252) : 7(252)

756: 1764

Now when you add these numbers, you get 2,520 which is the total number of students in all. This proves your answer to be correct.

Hope this helps!

jorel1380

Answer:

girls=3 x 252=756

boys=7 x 252=1764

Step-by-step explanation:

girls:boys=3:7

girls=3/3+7=3/10

boys=7/10

girls=3 x 252=756

boys=7 x 252=1764.....................

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