Question

If Zack makes 1½ quarts of lemonade, then he uses 6 lemons. If Zack makes 1½ quarts of lemonade, then he makes 4 servings. Zack uses 5 lemons. Which is a valid conclusion?

A. Zack does not make 1½ quarts.
B.Zack makes 3 servings.
C.Zack makes 2 servings.
D.Zack makes 1 quart.

Answer 1

1 lemon makes \[\frac{1\frac{1}{2}}{6}\ quart\]
5 lemons make
\[\frac{1\frac{1}{2}}{6}\times 5=\frac{3}{2}\times \frac{1}{6}\times\frac{5}{1}=?\ quarts\]