Abakery sells 8 muffins for every 6 bread rolls. they sell 640 muffins in one week, how many rolls did they sell? use scalar multiplication on your double number line.

480 bread rolls

Step-by-step explanation:

For 8 muffins, 6 bread rolls are sold.

This implies for every muffin, bread rolls are sold.

Hence for 640 muffins, they sold 640 ×

= 480 bread rolls.

the graph in the attached figure

step-by-step explanation:

we have

using a graphing tool

the graph in the attached figure

the roots are ( x-intercepts) x=-0.5,x=1,x=3

the y-intercept is the point (0,3)