David is throwing Robert a surprise birthday party but he has to stay within his budget. He spent half of his money plus $2.00 on the cake. Half of what he had left plus $2.00 was spent on balloons and streamers. Then he spent half of what he had left plus $1.00 on candy. Now he is out of money, how much did he start with?
Answer: This one is best solved working backwards, the last part David spent half of what was left plus $1.00 on candy and then was out of money. That means he must have spent $2.00 on Candy as $1.00 was half of what he had using the same logic backwards: $2.00 on candy $6.00 on Balloons and Streamers $12.00 on the cake Total of $20.00.
Solution:
Show Answer
This one is best solved working backwards, the last part David spent half of what was left plus $1.00 on candy and then was out of money. That means he must have spent $2.00 on Candy as $1.00 was half of what he had using the same logic backwards: $2.00 on candy $6.00 on Balloons and Streamers $12.00 on the cake Total of $20.00.
Show Answer
This one is best solved working backwards, the last part David spent half of what was left plus $1.00 on candy and then was out of money. That means he must have spent $2.00 on Candy as $1.00 was half of what he had using the same logic backwards: $2.00 on candy $6.00 on Balloons and Streamers $12.00 on the cake Total of $20.00.
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1. One who sees the future
- Clairvoyant
2. Can float
- Buoyant
3. Not a vowel
- Consonant
4. Flaky French roll
- Croissant
5. Accused in a trial
- Defendant
6. Makes you less stinky
- Deodorant
7. Unlocks stuffy nose
- Decongestant
8. Om om om
- Chant
9. The guy who hit me
- Assailant
10. The A in CA
- Accountant
11. Deadly tumour
- Malignant
12. Dr Who
- David Tennant
13. Absent from school
- Truant
14. Cop needs this to arrest you
- Warrant
15. Common to dogs and firemen
- Vigilant
16. What do you call a Newborn?
- Infant
17. Where Miss Universe is chosen
- Pageant
18. Something that is Way too expensive
- Extravagant
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