Answer One: To Laugh or to Cry?
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The Sky.
Answer Two: Deep Sleep
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While there are five stages of sleep, including one known as deep sleep and one known as REM (rapid eye movement), none of these stages are known as being “gamma” sleep.
The four stages (other than REM) are: beta, alpha, theta, delta.
Answer Three: Food Court
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Deborah-Mexican-Fourth
Samantha-Italian-First
Eli-Chinese-Third
Aaron-Southern-Second
Answer Four: Phone For Help
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3483.
Using the dictionary function of your handphone, type in the numbers above. Alternatively, you can observe the letters on each of the following numbers. 663 spells ONE, 896 spells TWO, 84733 spells THREE, 3687 spells FOUR and thus the last member of the sequence is FIVE, which corresponds to 3483.
Problem Five: How Far Can You Go?
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You can travel 840 miles from the broken supply truck. Since your base camp is 800 miles away (half of 1600 miles), you can easily complete the delivery. Here’s how:
Although you can only carry one barrel at a time, you need to transport both of them until one barrel is empty. F is the barrel used first, and L is the barrel used last.
Use half of a tank (5 gallons) to carry L 5*12=60 miles, and then return for F (uses another 5 gallons). Refill the tank from F and carry it to where you left L (also uses 5 gallons). Refill the tank again from F and switch barrels. Now you are 60 miles from the broken truck, the tank and L are full, but F is down to 30 gallons (45-5-5-5=30). Repeat this procedure two times.
Now you are 60*3=180 miles from the broken truck. The tank and L are still full, but F is empty. Leave F behind and make a run for it, carrying L. Refill the tank from L as needed. There are 55 gallons of fuel left so you can travel an additional 55*12=660 miles, for a maximum of (180+660) 840 miles. Since you only have a total of 800 miles to go, you will make it to your base camp.
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