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vaieri [72.5K]
3 years ago
9

The ratio of boys to girls in the ninth grade is 6:5. If there are 185 girls in the class, how many boys are there?

Mathematics
2 answers:
xeze [42]3 years ago
8 0

Answer:

222 boys

Step-by-step explanation:

Let x = total number of ninth graders. By knowing how many students there are in the grade, we can find for the number of boys.

\frac{5}{6+5}x = 185 (number of girls in ninth grade)

\frac{5}{11}x = 185

x=407

To find for the number of boys, we can use substitution:

\frac{6}{6+5}x = \frac{6}{11}(407)

=222

∴ There are 222 boys in the class.

Hope this helps :)

Mice21 [21]3 years ago
6 0
222 boys in the class hope this helped
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