If there are 120 boys in the group, how many boys and girls are there TOTAL? Use the tape diagrams to solve.
1 answer:
You might be interested in
check the picture below.
so, y = -3 is simply a horizontal line, as you see there, and any perpendicular line to that will be a vertical one, whose slope is undefined.
we can check by simply picking two points off the red line hmmm say (-2,2) and (-2, -2)
