## ASVAB Arithmetic Reasoning Practice Test 969645

Question 1 of 5
###### Proportions

A proportion is a statement that two ratios are equal: a:b = c:d, $${a \over b} = {c \over d}$$. To solve proportions with a variable term, cross-multiply: $${a \over 8} = {3 \over 6}$$, 6a = 24, a = 4.

In a class of 26 students, 12 are taking German and 14 are taking Spanish. Of the students studying German or Spanish, 6 are taking both courses. How many students are not enrolled in either course?

 6 24 26 15