Vicki and Tamra are working on their math homework together. Vicki has worked p problems, and Tamra has worked 4 times as many problems as Vicki. The expression shows how many problems they have worked altogether. p + 4p

Which of the following is another expression that could be used to get the same result, and what does it represent?

A.
p + 4. This represents that Vicky and Tamra have worked on p + 4 problems altogether.
B.
5p. This represents that Vicky and Tamra have worked on 5p problems altogether.
C.
p + 5. This represents that Vicky and Tamra have worked on p + 5 problems altogether.
D.
5p2. This represents that Vicky and Tamra have worked on 5p2 problems altogether.