Question

John buys hot dogs for $1.15 each and increases the price by 20% to sell at the concession stand. Which represents the amount of the price increase? Show Work!

(A) $0.20
(B) $0.21
(C) $0.22
(D) $0.23

Answer 1

(D) $0.23

Explanation:

The percent increase is 20%.

The increase is 20% of $1.15

To find a percent of a number, multiply the percent by the number.

To change a percent into a decimal, move the decimal point of the percent 2 places to the left.

20% = 0.20

20% of $1.15 =

= 20% * $1.15

= 0.2 * $1.15

= $0.23