### Learning Math and Coding with Robots

 Grid: Tics Lines: Width px Hash Lines: Width px Labels: Font px Trace Lines: Robot 1: Width px Robot 2: Width px Robot 3: Width px Robot 4: Width px
 Axes: x-axis y-axis Show Grid Grid: 24x24 inches 36x36 inches 72x72 inches 96x96 inches 192x192 inches Quad: 4 quadrants 1 quadrant Hardware Units: US Customary Metric
 Background:

#### Robot 1

 Initial Position: ( in, in) Initial Angle: deg Current Position: (0 in, 0 in) Current Angle: 90 deg Wheel Radius: 1.75 in1.625 in2.0 in Track Width: in

#### Robot 2

 Initial Position: ( in, in) Initial Angle: deg Current Position: (6 in, 0 in) Current Angle: 90 deg Wheel Radius: 1.75 in1.625 in2.0 in Track Width: in

#### Robot 3

 Initial Position: ( in, in) Initial Angle: deg Current Position: (12 in, 0 in) Current Angle: 90 deg Wheel Radius: 1.75 in1.625 in2.0 in Track Width: in

#### Robot 4

 Initial Position: ( in, in) Initial Angle: deg Current Position: (18 in, 0 in) Current Angle: 90 deg Wheel Radius: 1.75 in1.625 in2.0 in Track Width: in

Equivalent Fraction
Problem Statement:
In each problem, solve for the unknown variable that will make the two fractions on both side of the equality sign ( = ) equivalent. Refresh for more problem.
```/* Code generated by RoboBlockly v2.0 */
/* Problem Statement:
In each problem, solve for the unknown variable that will
make the two fractions on both side of the equality
equivalent. Refresh for more problem. */
#include <chplot.h>

CPlot plot;

// Describe this function...
void Sample_Set_up() {
plot.fillColor("#cccccc");
plot.rectangle(-12, -12, 36, 36);
plot.strokeColor("#333333");
plot.strokeWidth(3);
plot.text("1", PLOT_TEXT_LEFT, -3, 17);
plot.text("___", PLOT_TEXT_LEFT, -4, 17);
plot.text("4", PLOT_TEXT_LEFT, -3, 14);
plot.text("x", PLOT_TEXT_LEFT, 1, 16);
plot.text("___", PLOT_TEXT_LEFT, 4, 17);
plot.text("=", PLOT_TEXT_LEFT, 10, 16);
plot.text("3", PLOT_TEXT_LEFT, 14, 17);
plot.text("___", PLOT_TEXT_LEFT, 13, 17);
plot.text("12", PLOT_TEXT_LEFT, 14, 14);
plot.text("2", PLOT_TEXT_LEFT, -3, 6);
plot.text("___", PLOT_TEXT_LEFT, -4, 6);
plot.text("7", PLOT_TEXT_LEFT, -3, 3);
plot.text("=", PLOT_TEXT_LEFT, 3, 5);
plot.text("___", PLOT_TEXT_LEFT, 7, 6);
plot.text("21", PLOT_TEXT_LEFT, 8, 3);
plot.text("1", PLOT_TEXT_LEFT, -3, -2);
plot.text("___", PLOT_TEXT_LEFT, -4, -2);
plot.text("4", PLOT_TEXT_LEFT, -3, -5);
plot.text("=", PLOT_TEXT_LEFT, 3, -3);
plot.text("2", PLOT_TEXT_LEFT, 8, -2);
plot.text("___", PLOT_TEXT_LEFT, 7, -2);
plot.text("A.", PLOT_TEXT_LEFT, -9, 16);
plot.text("B.", PLOT_TEXT_LEFT, -9, 5);
plot.text("C.", PLOT_TEXT_LEFT, -9, -3);
}

// This is a sample solution
Sample_Set_up();
plot.strokeWidth(3);
plot.strokeColor("red");
plot.text("3", PLOT_TEXT_LEFT, 5, 17);
plot.text("3", PLOT_TEXT_LEFT, 5, 14);
plot.text("6", PLOT_TEXT_LEFT, 8, 6);
plot.text("12", PLOT_TEXT_LEFT, 8, -5);

plot.label(PLOT_AXIS_XY, "");
plot.grid(PLOT_OFF);
plot.tics(PLOT_AXIS_XY, PLOT_OFF);
plot.axis(PLOT_AXIS_XY, PLOT_OFF);
plot.axisRange(PLOT_AXIS_XY, -12, 24);
plot.ticsRange(PLOT_AXIS_XY, 6);
plot.sizeRatio(1);
plot.plotting();```
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Problem Statement:
In each problem, solve for the unknown variable that will make the two fractions on both side of the equality sign ( = ) equivalent. Refresh for more problem.

Time