How do you find the original price after a discount. The sales price is 55.50 and the percent of discount is 75%. A$52
B$195
C$165
D$130
Please help I am so confused

An advertising firm has an old computer that can prepare a whole mailing in 6 hours. with the of newer model the job is complete in 2 hours. how long would it take the newer model to do the job alone?

Alogical argument that is presented in graphical form using boxes and arrows is called?

There are 93 calories in a small candy bar how many calories are ther in a half dozen small candy bars?