Do these ratios form a proportion? 2 altos : 5 sopranos 4 altos : 10 sopranos Choices: (A)yes (B)no

Write Ratio in Fraction Form: Write the first ratio in fraction form. Ratio of 2 altos to 5 sopranos can be written as 2 / 5.Simplify Second Fraction: Write the second ratio in fraction form. Ratio of 4 altos to 10 sopranos can be written as 4 / 10.Compare Fractions: Simplify the second fraction. 4 / 10 simplifies to 2 / 5 by dividing the numerator and the denominator by 2.Compare the two fractions. Both fractions are 2 / 5. Since they are equal, the ratios form a proportion.

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Do these ratios form a proportion? $\newline$ $2$ altos : $5$ sopranos $\newline$ $4$ altos : $10$ sopranos $\newline$ Choices: $\newline$ (A)yes $\newline$ (B)no

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Grade 7

Do the ratios form a proportion: word problems

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Q. Do these ratios form a proportion?

\newline

2

altos :

5

sopranos

\newline

4

altos :

10

sopranos

\newline

Choices:

\newline

(A)yes

\newline

(B)no

Write Ratio in Fraction Form: Write the first ratio in fraction form. $\newline$ Ratio of $2$ altos to $5$ sopranos can be written as $\frac{2}{5}$ .
Simplify Second Fraction: Write the second ratio in fraction form. $\newline$ Ratio of $4$ altos to $10$ sopranos can be written as $\frac{4}{10}.$
Compare Fractions: Simplify the second fraction. $4 / 10$ simplifies to $2 / 5$ by dividing the numerator and the denominator by $2$ .
Compare Fractions: Simplify the second fraction. $\newline$ $\frac{4}{10}$ simplifies to $\frac{2}{5}$ by dividing the numerator and the denominator by $2$ .Compare the two fractions. $\newline$ Both fractions are $\frac{2}{5}$ . Since they are equal, the ratios form a proportion.