Signed Number Word Problem

Signed Number Word Problems

Lesson 1

Problem:

John wants to celebrate his birthday in a seven star hotel. The status of John’s account was -$10. He wrote a check for $25.00. The bank charged him a $20.00 fee for being overdrawn. What was the new status of John’s account?

Step 1: The status of account was -$10

Step 2: He wrote a check for $25.00. The bank charged him a $20.00 fee for being overdrawn

The new status of John’s account = Old status of John’s account - Bank charged him

Step 3: -$10 - $20 = -$30

Solution The answer is: -$30

Try two practice problems:

A. Mark’s account has -$5. He wrote a check for $15.00. The bank charged her a $20.00 fee for being overdrawn. What was the new status of Jelly’s account?

B. A experiment is going on in a laboratory. Find the total charge of an ion with 10 protons and 25 electrons.