1. Maria is now 16 years old. In 6 years, she will be twice as old as her brother is then. How old is her brother now?

2. A factory runs nonstop for three 14 hour shifts. The first shift starts at 9:00 AM. At what time does their third shift end?

3. When Larry was 14 years old, his father was 37. Now that Larry's father is twice as old as Larry, how old is Larry?

4. Judy is n years older than Carmen and twice as old as Frances. If Frances is 15, how old is Carmen in terms of n?

5. At 7:00 a.m., the temperature was 12 below zero Fahrenheit. Then the temperature rose 3 per hour for 9 hours. What was the temperature at 2:00 p.m.?

6. If Kate's age is 13 and her mother's age is 31, in how many years will Kate's age once again be the reverse of her mother's?

7. Eva lived 1/5 of her life as a child, 1/4 as a girl and 1/3 as a working adult. She then spent her final 13 years in retirement. How old was Eva when she died?

8. Lindsey is now x years old and Xiu Dan is 2 years older than Lindsey. In terms of x, how old was Xiu Dan 3 years ago?

9. Danielle's mom is 3 less than four times her daughter's age. If M is her mother's age, what is Danielle's age in terms of M?

10. What time will it be 46 hours after 9:30 p.m. on Friday?