Reggie lost 3 spaceships in level 3 of a video game. He lost 50 points for each spaceship. When he completed level 3, he earned a bonus of 550 points. By how much did his score change?

400

Step-by-step explanation:

3 x 50 = 150

550 - 150 = 400

your answer is 23/2 - 13.5

step-by-step explanation:

7/2 evaluates to

multiply x and 4.5

multiply x and 1

the x just gets copied along.

the answer is x

x

4.5*x evaluates to 4.5x

multiply 3 and 4.5x

multiply 1 and x

the x just gets copied along.

x

4.5*x*3 evaluates to 13.5x

7/2-4.5*x*3 evaluates to

  + 8 =

the answer is

7/2-4.5*x*3+8 evaluates to

what is the question?

step-by-step explanation: