#### Answer

a. $\frac{24}{6}$ = $\frac{4}{1}$
b.$\frac{560}{25}$ = $\frac{112}{5}$

#### Work Step by Step

a. 24 cups is to 6 cups as 4 cups is to 1 cup. The first number is the numerator of the first expression and the second is the denominator. The third number is the numerator of the second expression and the fourth is the denominator of the second expression.
b. 560 students is to 25 instructors as 112 students is to 5 instructors. The first number is the numerator of the first expression and the second is the denominator. The third number is the numerator of the second expression and the fourth is the denominator of the second expression.
In both (a) and (b), do not forget the equals signs as they show it is a proportion.