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There were full of candies on the table. Ana took 3 pieces of candies everyday. After 3 weeks, all the candies were gone. How many candies were there at the beginning?
5. What is asked in the problem? a. The number of candies on the table. b. The number of candies left on the table. c. The number of candies bought in the market. d. The number of candies ate for 3 weeks.
6. What is the number sentence? a. 3 + 21 = n b. (-3) (21) = n c. 3 (21) - n d. 21 + 3 = n
7. What is the correct answer? a. 36 b. 63 c. -63 d. -69
8. If there were 15 holes, how many excess holes if a dozen marbles were to fill-up the holes? What is the number sentence? a. 15 - 12 = n b. 15 + 12 = n c. 15 + 6n d. 15-6-n
9. From itern number 8, what is the answer? a. 7 b. 9 c. 6 d. 3
10. A football team loses 2 yards every 5 minutes. How many yards did the team lose after 15 minutes? a. -6 yards b. 9 yards c. 6 yards d. -9 yards
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