Demarcus and Devon were working on this problem: A phone costs $300. The price will increase by 15%
next week.
Devon thinks the new price of the phone will be $315.
Demarcus thinks it will be $345. Who is right?

5(-9w) put expression in distributive property

Tom had a total of $220 and he spent $35 on a basketball ticket . what percent of his money did he have left?

Nick has box brads. he uses 4 brads for the first project. nick let’s b represent the original number of brads and finds that for the second project, the number of brads he uses is 8 more than half the difference of b and 4. write an expression to represent the number of brads he uses for the second project.