A painting is on sale at 50% off. The sale price is $320. What was the original price?

A football is selling for 35% off the original price. The original price was $60. What is the sale price of the football?
please answer them sepreatly.

Does the problem involve permutations or? combinations? do not solve. the matching section of an exam has 4 questions and 7 possible answers. in how many different ways can a student answer the 4 ? questions, if none of the answer choices can be? repeated?

The graph of g(x) is a translation of y = which equation represents g(x)?

David estimated he had about 20 fish in his pond. a year later, there were about 1.5 times as many fish. the year after that, the number of fish increased by a factor of 1.5 again. the number of fish is modeled by f(x)=20(1.5)^x. create a question you could ask that could be answered only by graphing or using a logarithm.