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%

$450 is the answer.

step-by-step explanation:

30% of 450 = 135

450-135=315

two data sets with the same median will not have the same varaibility

step-by-step explanation: