Answer:
A = 16
Step-by-step explanation:
subtract .5 for both sides --> .25a = 4.5 - .5
.25a = 4
now divide .25 by both sides
A= 16
.25a + .5 = 4.5
.25a = 4.5 -.5
.25a= 4
a= 4÷.25
a= 16
