A store is having a sale on where movies are 15% of their original price. A movie is on sale for $22.10. What is the original price of the movie?

Ok so first off understand what they are saying. there is a movie on sale for $22.10 which is 15 percent of the original price. So now what you do is set up the problem.

22.10 is = 15% of the price

x = 100% of the price (original price)

15 = 22.10

100 x

now just use cross multiplication.

15x = 22.10 · 100

solve for x.

15x = 2210

15 15

x = 147.33333333 since the 3's go on forever you can simply put it into a fraction

x = 147 3

9

whenever there is a repeating number you can put it into a fraction but putting the repeating number over a 9