Difference between revisions of "1993 AJHSME Problems/Problem 13"
Mrdavid445 (talk | contribs) (Created page with "==Problem== The word "'''HELP'''" in block letters is painted in black with strokes <math>1</math> unit wide on a <math>5</math> by <math>15</math> rectangular white sign with d...") |
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<math>\text{(A)}\ 30 \qquad \text{(B)}\ 32 \qquad \text{(C)}\ 34 \qquad \text{(D)}\ 36 \qquad \text{(E)}\ 38</math> | <math>\text{(A)}\ 30 \qquad \text{(B)}\ 32 \qquad \text{(C)}\ 34 \qquad \text{(D)}\ 36 \qquad \text{(E)}\ 38</math> | ||
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+ | ==Solution== | ||
+ | Count the number of black squares in each letter. H has 11, E has 11, L has 7, and P has 10, giving the number of black squares to be <math>11+11+7+10=39</math>. The total number of squares is <math>(15)(5)=75</math> and the number of white squares is <math>75-39=\boxed{\text{(D)}\ 36}</math>. | ||
+ | |||
+ | ==See Also== | ||
+ | {{AJHSME box|year=1993|num-b=12|num-a=14}} |
Revision as of 21:41, 22 December 2012
Problem
The word "HELP" in block letters is painted in black with strokes unit wide on a by rectangular white sign with dimensions as shown. The area of the white portion of the sign, in square units, is
Solution
Count the number of black squares in each letter. H has 11, E has 11, L has 7, and P has 10, giving the number of black squares to be . The total number of squares is and the number of white squares is .
See Also
1993 AJHSME (Problems • Answer Key • Resources) | ||
Preceded by Problem 12 |
Followed by Problem 14 | |
1 • 2 • 3 • 4 • 5 • 6 • 7 • 8 • 9 • 10 • 11 • 12 • 13 • 14 • 15 • 16 • 17 • 18 • 19 • 20 • 21 • 22 • 23 • 24 • 25 | ||
All AJHSME/AMC 8 Problems and Solutions |