The ratio of girls to boys in the 6th grade is 6 to7. How many girls are there if there are 364 total students?

girls

Step-by-step explanation:

Since the ratio of girls to boys is , we can let the number of girls be and the number of boys be . We are given that there are a total of students, so we can write the following equation to solve for :

Solving for , we get:

(Simplify LHS)

(Divide both sides of the equation by to get rid of 's coefficient)

(Simplify)

Therefore, there are girls in the 6th Grade. Hope this helps!

168

Step-by-step explanation:

This is a proportion problem, but with a small trick.

Boys/Girls = 7/6

Here is the trick: add 1 to each side of the equation

(boys/girls) + 1 = (7/6) + 1

(boys + girls)/girls = 13/6

364/girls = 13/6 => 13*(girls) = 6*364 = 2184 => girls = 168

x² + 3x + 7 = 0       [ax² + bx + c]

a = 1

b = 3

c = 7

quadratic formula:

    (+/- is this ±)

plug in the numbers into the variables

your answer is a

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so

step-by-step explanation:

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