The local barbershop increased the price of a haircut from $10 to $12. What is the percent increase in the price of a
haircut?

Given first price: $10

New price: $12

Difference: New price - Old price

⇒ $12 - $10

⇒ $2

Now difference precentage:

(Difference÷Initial price)×100

⇒ (2 ÷ 10) × 100

⇒ 0.2 × 100

⇒ 20%

Thus the increase is by 20%

25

step-by-step explanation:

point a is the center of the circle that passes through points e, f, and g and the center of the circle that passes through points x, y, and z.