John uses 1 1/2 cups of milk and 3 cups of flour for his favorite cookie recipe. This makes 5 dozen cookies. Write and solve two proportions to see how much milk and flour he would need to make half as many cookies.

start with a line segment pq that we will copy. mark a point r that will be one endpoint of the new line segment. set the compasses' point on the point p of the line segment to be copied. adjust the compasses' width to the point q. the compasses' width is now equal to the length of the line segment pq.

step-by-step explanation: