The new price of a wallet after a mark up is calculated by multiplying the original price by $110%$110%.
What has the mark up done to the price?
It has increased the price by $110%$110%
It has decreased the price by $10%$10%
It has increased the price by $10%$10%
It has decreased the price by $110%$110%
The new price of a hat after a mark up is calculated by multiplying the original price by $121%$121%.
What has the mark up done to the price?
A book priced at $\$90$$90 is marked up by $40%$40%. What is the marked up price of the book?
A brush set priced at $\$140$$140 is marked up by $45%$45%. What is the marked up price of the brush set?