Answer:
p + 4p
5p
Step-by-step explanation:
Problems Vicki solved = p
Tamra worked 4 times as many problems as Vicki = 4 x p = 4p
total problems solved by both of them =4p + p
= 5p
3.5
(42 - 14)/(12 - 4) = 28/8 = 7/2 = 3.5
25
5*5=25