Some word problems are written so that the solution is not a single number but a range of numbers. You should check to see that your answer is within the range.

Read the following problem and answer the questions below.

Susan babysits for several families. The different families pay her between $8 - $10 per hour. Last month she babysat for a total of 30 hours. Which of the following is a reasonable amount that she could have been paid for the month?

  1. $175.00
  2. $264.00
  3. $325.00
  4. $200.00

What information is given in the problem?

Interactive popup. Assistance may be required. Check Your Answer Pay rate = $8 – $10 per hour
Time = 30 hours Close Pop Up

What question is the problem asking?

Interactive popup. Assistance may be required. Check Your Answer The problem is asking for the total pay. Close Pop Up

What is your plan for solving this problem?

Interactive popup. Assistance may be required. Check Your Answer Multiply pay rate by time to get total pay. Close Pop Up

Which pay rate would give Susan the least money?

Interactive popup. Assistance may be required. Check Your Answer $8 per hour Close Pop Up

How much would she make at that rate?

Interactive popup. Assistance may be required. Check Your Answer $8 • 30 hours = $240.00 Close Pop Up

Which pay rate would give Susan the most money?

Interactive popup. Assistance may be required. Check Your Answer $10 per hour Close Pop Up

How much would she make at that rate?

Interactive popup. Assistance may be required. Check Your Answer $10 • 30 hours = $300.00 Close Pop Up

What is the range of possible answers to the question?

Interactive popup. Assistance may be required. Check Your Answer Susan could be paid between $240.00 and $300.00 for the month. Close Pop Up

Which choice is the correct answer to the problem?

Interactive popup. Assistance may be required. Check Your Answer B. $264.00 Close Pop Up

Interactive exercise. Assistance may be required.