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MATH / The results of a cross-country team's training run are graphed below. Which…
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Answer published by the source. Consult the official source to check your work against its answer.
problem
The results of a cross-country team's training run are graphed below. Which student has the greatest average speed? [asy]
for ( int i = 1; i <= 7; ++i )
{
draw((i,0)--(i,6));
}
for ( int i = 1; i <= 5; ++i )
{
draw((0,i)--(8,i));
}
draw((-0.5,0)--(8,0), linewidth(1));
draw((0,-0.5)--(0,6), linewidth(1));
label("", (0,0), SW);
label(scale(.85)*rotate(90)*"distance", (0, 3), W);
label(scale(.85)*"time", (4, 0), S);
dot((1.25, 4.5));
label(scale(.85)*"Evelyn", (1.25, 4.8), N);
dot((2.5, 2.2));
label(scale(.85)*"Briana", (2.5, 2.2), S);
dot((4.25,5.2));
label(scale(.85)*"Carla", (4.25, 5.2), SE);
dot((5.6, 2.8));
label(scale(.85)*"Debra", (5.6, 2.8), N);
dot((6.8, 1.4));
label(scale(.85)*"Angela", (6.8, 1.4), E);
[/asy]
Plain-text mathematical notation (without MathML)
The results of a cross-country team's training run are graphed below. Which student has the greatest average speed? [asy]
for ( int i = 1; i <= 7; ++i )
{
draw((i,0)--(i,6));
}
for ( int i = 1; i <= 5; ++i )
{
draw((0,i)--(8,i));
}
draw((-0.5,0)--(8,0), linewidth(1));
draw((0,-0.5)--(0,6), linewidth(1));
label("O", (0,0), SW);
label(scale(.85)*rotate(90)*"distance", (0, 3), W);
label(scale(.85)*"time", (4, 0), S);
dot((1.25, 4.5));
label(scale(.85)*"Evelyn", (1.25, 4.8), N);
dot((2.5, 2.2));
label(scale(.85)*"Briana", (2.5, 2.2), S);
dot((4.25,5.2));
label(scale(.85)*"Carla", (4.25, 5.2), SE);
dot((5.6, 2.8));
label(scale(.85)*"Debra", (5.6, 2.8), N);
dot((6.8, 1.4));
label(scale(.85)*"Angela", (6.8, 1.4), E);
[/asy]Original LaTeX notation
The results of a cross-country team's training run are graphed below. Which student has the greatest average speed? [asy]
for ( int i = 1; i <= 7; ++i )
{
draw((i,0)--(i,6));
}
for ( int i = 1; i <= 5; ++i )
{
draw((0,i)--(8,i));
}
draw((-0.5,0)--(8,0), linewidth(1));
draw((0,-0.5)--(0,6), linewidth(1));
label("$O$", (0,0), SW);
label(scale(.85)*rotate(90)*"distance", (0, 3), W);
label(scale(.85)*"time", (4, 0), S);
dot((1.25, 4.5));
label(scale(.85)*"Evelyn", (1.25, 4.8), N);
dot((2.5, 2.2));
label(scale(.85)*"Briana", (2.5, 2.2), S);
dot((4.25,5.2));
label(scale(.85)*"Carla", (4.25, 5.2), SE);
dot((5.6, 2.8));
label(scale(.85)*"Debra", (5.6, 2.8), N);
dot((6.8, 1.4));
label(scale(.85)*"Angela", (6.8, 1.4), E);
[/asy]level
Level 2
type
Algebra
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