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

1. $22\%$ of $$400$

   Hint 1(a):

   Think of this as $2\left(10\% \text{ of } $400\right) + 2\left(1\% \text{ of } $400\right)$.

   Hint 2(a):

   $10\%$ of $$400$ is $40$.
   $1\%$ of $$400$ is $4$.

2. $19\%$ of $$35$

   Hint 1(b):

   Think of this as $2\left(10\% \text{ of } $35\right) − \left(1\% \text{ of } $35\right)$.

   Hint 2(b):

   $10\%$ of $$35$ is $3.5$.
   $1\%$ of $$35$ is $0.35$.

3. $94\%$ of $$130$

   Hint 1(c):

   Think of this as $9\left(10\% \text{ of } $130\right) + 4\left(1\% \text{ of } $130\right)$.

   Hint 2(c):

   What is $10\%$ of $$130$?
   What is 1% of $$130$?