posted by Anonymous on .
There are 12 girls in one of the fifth grade classes. The number of girls is two-thirds the number of boys, b. The number of boys can be found using the equation 2/3b=12. How many boys are in the class?
b = 12 / (2/3)
b = 12 * (3/2)
b = 36/2
b = 18
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