### 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, 15 in) Current Angle: 0 deg Wheel Radius: 1.1 in1.61 in Track Width: in

#### Robot 2

 Initial Position: ( in, in) Initial Angle: deg Current Position: (0 in, 9 in) Current Angle: 0 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

Robots Moving at the Same Time
Problem Statement:
The Mindstorms robot moves at 6 in/sec for 30 in. The Linkbot needs to move 15 inches and can only move while the Mindstorms is moving. Change the Linkbot's speed so it moves for the same amount of time that the Mindstorms takes to move 30 in.
/* Code generated by RoboBlockly v2.0 */
#include <mindstorms.h>
#include <linkbot.h>
double variable;
CMindstorms robot1;
double radius1 = 1.1;
CLinkbotI robot2;
double radius2 = 1.75;

robot1.setSpeed(6, radius1);
robot1.driveDistanceNB(30, radius1);
robot2.setSpeed(3, radius2);
robot2.driveDistance(15, radius2);
robot1.moveWait();
printf("How fast should the linkbot move?"+"\n");
scanf("%lf", &variable);
 Blocks Save Blocks Load Blocks Show Ch Save Ch Workspace
Problem Statement:
The Mindstorms robot moves at 6 in/sec for 30 in. The Linkbot needs to move 15 inches and can only move while the Mindstorms is moving. Change the Linkbot's speed so it moves for the same amount of time that the Mindstorms takes to move 30 in.

Time