40. The junior class at Silverwood High School sponsored a costume party. Each student wearing a costume paid $2 admission, and each student NOT wearing a costume paid $5 admission. An amount of $489 was collected from the 150 students who paid admission. How much of the amount was collected from students NOT wearing a costume ?

Answer and Explanation

Your Answer is

Correct Answer is G

Explanation

Assuming that the number of students not wearing uniforms is x, then there is the equation 5x+(150-x)×2=489, and the value of x is 315. Choose G.