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Difference between revisions of "2002 AMC 8 Problems/Problem 7"

(Created page with " == Problem 7 == The students in Mrs. Sawyer's class were asked to do a taste test of five kinds of candy. Each student chose one kind of candy. A bar graph of their preferences...")
 
(→‎Problem 7)
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The students in Mrs. Sawyer's class were asked to do a taste test of five kinds of candy. Each student chose one kind of candy. A bar graph of their preferences is shown. What percent of her class chose candy E?
 
The students in Mrs. Sawyer's class were asked to do a taste test of five kinds of candy. Each student chose one kind of candy. A bar graph of their preferences is shown. What percent of her class chose candy E?
 +
 +
[asy]
 +
real[] r={6, 8, 4, 2, 5};
 +
int i;
 +
for(i=0; i<5; i=i+1) {
 +
filldraw((4i,0)--(4i+3,0)--(4i+3,2r[i])--(4i,2r[i])--cycle, black, black);
 +
}
 +
draw(origin--(19,0)--(19,16)--(0,16)--cycle, linewidth(0.9));
 +
for(i=1; i<8; i=i+1) {
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draw((0,2i)--(19,2i));
 +
}
 +
label("<math>0</math>", (0,2*0), W);
 +
label("<math>1</math>", (0,2*1), W);
 +
label("<math>2</math>", (0,2*2), W);
 +
label("<math>3</math>", (0,2*3), W);
 +
label("<math>4</math>", (0,2*4), W);
 +
label("<math>5</math>", (0,2*5), W);
 +
label("<math>6</math>", (0,2*6), W);
 +
label("<math>7</math>", (0,2*7), W);
 +
label("<math>8</math>", (0,2*8), W);
 +
label("<math>A</math>", (0*4+1.5, 0), S);
 +
label("<math>B</math>", (1*4+1.5, 0), S);
 +
label("<math>C</math>", (2*4+1.5, 0), S);
 +
label("<math>D</math>", (3*4+1.5, 0), S);
 +
label("<math>E</math>", (4*4+1.5, 0), S);
 +
label("SWEET TOOTH", (9.5,18), N);
 +
label("Kinds of candy", (9.5,-2), S);
 +
label(rotate(90)*"Number of students", (-2,8), W);[/asy]
  
 
[[Solution]]
 
[[Solution]]

Revision as of 19:23, 28 July 2011

Problem 7

The students in Mrs. Sawyer's class were asked to do a taste test of five kinds of candy. Each student chose one kind of candy. A bar graph of their preferences is shown. What percent of her class chose candy E?

[asy] real[] r={6, 8, 4, 2, 5}; int i; for(i=0; i<5; i=i+1) { filldraw((4i,0)--(4i+3,0)--(4i+3,2r[i])--(4i,2r[i])--cycle, black, black); } draw(origin--(19,0)--(19,16)--(0,16)--cycle, linewidth(0.9)); for(i=1; i<8; i=i+1) { draw((0,2i)--(19,2i)); } label("$0$", (0,2*0), W); label("$1$", (0,2*1), W); label("$2$", (0,2*2), W); label("$3$", (0,2*3), W); label("$4$", (0,2*4), W); label("$5$", (0,2*5), W); label("$6$", (0,2*6), W); label("$7$", (0,2*7), W); label("$8$", (0,2*8), W); label("$A$", (0*4+1.5, 0), S); label("$B$", (1*4+1.5, 0), S); label("$C$", (2*4+1.5, 0), S); label("$D$", (3*4+1.5, 0), S); label("$E$", (4*4+1.5, 0), S); label("SWEET TOOTH", (9.5,18), N); label("Kinds of candy", (9.5,-2), S); label(rotate(90)*"Number of students", (-2,8), W);[/asy]

Solution

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