Ruby studied her science test for 1/2 of an hour
What is an equation?
An equation is an expression that shows the relationship between two or more variables and numbers.
Jamal spent 1 1/2 (1.5) hours studying for his science test ruby studied for 1/3 the amount of time that Jamal studied.
Amount of time ruby studied = (1/3) * (1.5) = 1/2 of an hour
Ruby studied for 1/2 of an hour
Find out more on equation at: https://brainly.com/question/1214333
