Use the five-step strategy for solving word problems to find the number or numbers described in the following
exercise.
-There are 10 more sophomores than juniors in an 8 AM algebra class. If there are 70 students in this class, find the number of sophomores and the number of juniors in the class.
A) 40 sophomores; 30 juniors
B) 30 sophomores; 40 juniors
C) 80 sophomores; 60 juniors
D) 70 sophomores; 60 juniors

Question

Quizplus · Accepted Answer

Let the number of juniors be $j$. Then, the number of sophomores is $j + 10$. The total number of students is $j + (j + 10) = 70$. Solving for $j$ gives $2j + 10 = 70$, so $2j = 60$, and $j = 30$. Therefore, there are 30 juniors and $30 + 10 = 40$ sophomores.

Use the Five-Step Strategy for Solving Word Problems to Find