Percentages 1 — Problem-Solving and Data Analysis

Questions in this quiz (8)

1. A quantity $$y$$ is first increased by $$200\%$$ and then reduced by $$20\%$$. The final result is $$192$$. What is the value of $$y$$?

   • $$60$$
   • $$80$$
   • $$100$$
   • $$120$$

2. The table shows the number of tickets sold.A concert organizer received the report above on the number of tickets sold. The organizer estimated that the percent increase from $$2022$$ to $$2023$$ would be $$3$$ times the percent increase from $$2023$$ to $$2024$$. How many tickets did the organizer expect to be sold in $$2024$$?

   • $$3720$$
   • $$3840$$
   • $$4000$$
   • $$4200$$

3. A high school surveyed its students on their favorite sport. Of the students surveyed, $$40\%$$ chose soccer, $$30\%$$ chose basketball, $$15\%$$ chose tennis, and the remaining $$30$$ students chose volleyball. How many more students chose soccer as their favorite sport than chose tennis?

   • $$25$$
   • $$35$$
   • $$40$$
   • $$50$$

4. $$150$$ is $$q\%$$ greater than $$50$$. What is the value of $$q$$?

   • $$100$$
   • $$150$$
   • $$200$$
   • $$300$$

5. A specialty store purchases hats for $$12.00$$ dollars each and marks them for sale at a price that is $$180\%$$ of the purchase price. At the end of the season, any unsold hats are discounted by $$35\%$$ off the marked price. What is the final sale price, in dollars, of each discounted hat?

   • $$14.04$$
   • $$14.58$$
   • $$15.12$$
   • $$16.20$$

6. The number $$a$$ is $$30\%$$ less than the positive number $$b$$. The number $$c$$ is $$40\%$$ greater than $$a$$. The number $$c$$ is how many times $$b$$?

   • $$0.70$$
   • $$0.84$$
   • $$0.98$$
   • $$1.12$$

7. The result of increasing the quantity $$n$$ by $$1800\%$$ is $$760$$. What is the value of $$n$$?

   • $$40$$
   • $$50$$
   • $$720$$
   • $$760$$

8. A neighborhood association is organizing a committee to plan a new community center. Of those invited to serve on the committee, $$30\%$$ are local homeowners, $$25\%$$ are architects, $$15\%$$ are city planners, and the remaining $$18$$ individuals are business owners. How many more architects were invited to the committee than city planners?

   • $$6$$
   • $$9$$
   • $$15$$
   • $$18$$