Answer:
$810
LMK if you need an explanation.
x=63
x+15=78
Step-by-step explanation:
180-102=78
78-15=63
it's going to be 4n so its going to be 4...
1/4 : 2 * 1/4 = 6 : x
0.25 : 2/4 = 6 : x
0.25 : 1/2 = 6 : x
0.25 : 0.5 = 6 : x
0.5 = 6 : x
x = 6 : 0.5
x = 12