Question

question 23
jamal scored 50% higher on the sat than joshua did. this means that
joshuas score was half of jamals.
joshuas score was two - thirds of jamals.
joshuas score was 50% lower than jamals.

Explanation:

Step1: Let Joshua's score be $x$.

Jamal's score is $x + 0.5x=1.5x$.

Step2: Find Joshua's score in terms of Jamal's.

Let Jamal's score be $y = 1.5x$, then $x=\frac{y}{1.5}=\frac{2}{3}y$.

Answer:

Joshua's score was two - thirds of Jamal's.