Respuesta :
Answer:
28.84
2(7a+1)
Step-by-step explanation:
If something is marked down by 25 percent that means that it is 75 percent of the regular price, we write that as 38.45*0.75
because 2 is outside the parenthesis we have to multiply it by both things inside the parenthesis 2*7a=14a and 2*4=8