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Add / Subtract Rational Numbers
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Add / Subtract Rational Numbers
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12 Questions

1. Mr. Besaw still owes $126.45 for the rapairs on his car. He gets a refund check for $87.98 and uses it to pay off his car repair bill. How much money does Mr. Besaw still owe?

2. Ms. Dolbec made 3/8 of the cupcakes for the sale, Ms. Cuddeback made 1/4 and Mr. Besaw's daughter made 1/6. Mr. James made the rest of the cupcakes. What fraction did he make?

3. 8/15 of the students chose pizza for lunch on Friday. 1/5 of the students chose a salad. What fraction of students chose something other than pizza or salad?

4. Mr. Mase went scuba diving while on vacation. After 10 minutes, he was 15-3/4 feet below the surface. Forty-five minutes later he had risen 4-5/8 feet. How far was Mr. Mase below the surface after 55 minutes?

5. 13/25 of the students at the middle school have an iPhone and 2/5 of the students have an Android phone. What fraction of students have neither type of phone?

6. Ms. White says that it rains 1/5 of the days and it snows 3/10 of the days in Worcester. What fraction of the days have no precipitation?

7. Ms. Puliafico visited 7/16 of the classes in the middle school on Tuesday. Yesterday, she got to see 3/8 of the classes. What fraction of the classes did Ms. Puliafico see over the two days?

8. Mr. James takes 8-1/3 minutes to drive to school in the morning. Mr. Besaw takes 13-2/3 minutes to do the same. How much longer is Mr. Besaw's drive?

9. Ms. Cuddeback is hiking a trail that is 5.1 miles to the top of a mountain. She stops for a snack after she has hiked 2.8 miles. How many miles from the top is she when she stops?

10. At the middle school, 3/4 of the students take the bus to school, while 1/5 walk to school. How many more students ride the bus than walk?

11. Ms. Rawdon spent 1.25 hours correcting on Monday, 2.9 hours on Tuesday, 0.8 hours on Wednesday and 1.45 hours on Thursday. How many hours did she spend correcting?

12. Mr. Besaw's stock was worth $35-1/4 per share on Monday. On Tuesday, it lost $2-1/2, on Wednesday it gained $3/8. What was the stock worth at the close of business on Wednesday?

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