Answer:
see the pic for the steps
Answer:
$50
Step-by-step explanation:
Change 250 to a decimal:
250/100 = 2.50
multiple the price by this decimal to find the new price:
$20 x 2.50 = $50
Answer:
x=40/9
Step-by-step explanation:

The answer to that problem si 6-25+2x
Answer:
x = 71°
Step-by-step explanation:
By applying triangle sum theorem in ΔBHD,
m∠DBH + m∠BHD + m∠HDB = 180°
40° + m∠BHD + 31° = 180°
m∠BHD = 180° - 71° = 109°
m∠BHD + m∠DHE = 180° [Linear pair of angles]
109° + x° = 180°
x = 180° - 109°
x = 71°