Make: Technology on Your Time Volume 18

AHA!: Puzzle This

By Michael H. Pryor

MAKE’s favorite puzzles. (When you’re ready to check your answers, visit makezine.com/18/aha.)

Illustration by Roy Doty

Letter Rip

Figure out what the following abbreviated phrases mean. I’ve filled in the first one to get you started:

0. 24 H in a D = 24 Hours in a Day

1. 26 L of the A

2. 7 D of the W

3. 7 W of the W

4. 12 S of the Z

5. 54 C in a P (W Js)

6. 13 S in the U S F

7. 18 H on a G C

8. 5 T on a F

9. 90 D in a R A

10. 3 B M (S H T R)

11. 32 is the T in D F at which W F

12. 3 W on a T

13. 12 M in a Y

14. 8 T on an O

15. 29 D in F in a L Y

16. 365 D in a Y

17. 13 L in a B D

18. 52 W in a Y

19. 9 L ...