A restaurant bill is $21.40, and the sales tax rate is .08. You decide to leave a $4 tip.
- Add 21.40, .08, and $4.
- Multiply 21.40 and .08. Add the answer, 21.40, and $4.
- Multiply 21.40 and .08. Multiply the answer by $4.
- Mutliply 21.40 and .08. Add the answer and the $4 tip.