Question

There are 3 times as many students participating in the hiking trip this year than last year. There are 42 students on the trip this year. Write an equation that represents the number of students that came on the hiking trip last year.

Answer 1

42 = 3s

Explanation:

Let's have s represent the students that went hiking last year. So 3 times the students from last year is 3*s. Since there are 42 students this year, it is =42.

Extra: So last year only 14 people attended (42 divided by 3= 14 =s).

Answer 2

3x=42

Explanation:

42 is how many there were last year tripled

x is how many there were last year