There are 30 boys in 6th grade. The number of girls in 6th grade is 40. Abigail says that means the ratio of the number of boys in 6th grade to the number of girls in 6th grade is 4:3. Is Abigail correct? If not, what is the correct answer? coins
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Hint
Try writing two equivalent fractions with a variable representing the unknown quantity and then solving for the variable. For example, if a:b is equivalent to c:d, then ab=cd.

Correct Ratio10:203:43:7