Answer:
$28
Step-by-step explanation:
35/100 = x/800
0.35 * 800 = $28
$52
35% off
100% - 35% = 65%
65/100 = 0.65 ( multiplier)
0.65 x 80 = 52
-3.5 or 3 1/2
-34b+18 yes
34b-18 -no
-18b+18