# Unit 4 Lesson 6-9 Quiz

## Question 1

The number of fish in a lake decreased by 25% between last year and this year. Last year there were 300 fish in the lake. What is the population this year? Show or explain your reasoning.

## Drawing space for question 1 if needed.

## Question 2

A company claims that their new bottle holds 25% more laundry soap. If their original container held 40 fluid ounces of soap, how much does the new container hold? Show or explain how you know.

## Drawing space for question 2 if needed.

## Question 3

Tyler's mom purchased a savings bond for Tyler. The value of the savings bond increases by 5% each year. One year after it was purchased, the value of the savings bond was $126. Find the value of the bond when Tyler's mom purchased it. Explain or show your reasoning.

## Drawing space for question 3 if needed.

## Question 4

What is 0.5% of 60? Show or explain how you found it. Hint: Try finding 1% first.