### Home > MC1 > Chapter 9 > Lesson 9.1.4 > Problem9-43

9-43.

Find each of the following percents without using a calculator. Show your work or explain your thinking for each problem.

1. 22% of $400 2. 19% of$35

3. 94% of $130 Think of this as 2(10% of$400) + 2(1% of $400). 10% of$400 is 40.
1% of $400 is 4. Think of this as 2(10% of$35) − (1% of $35). 10% of$35 is 3.5.
1% of $35 is 0.35. Think of this as 9(10% of$130) + 4(1% of $130). What is 10% of$130?
What is 1% of \$130?