Answer:
shipping cost $6 for a small box and $11 for a medium box
Step-by-step explanation:
The question is on formation of simultaneous equations
Anna shipped 10sb + 6mb =$126
Jeffrey shipped 5sb + 6mb=$96
Let small boxes,sb, be represented by x
Let medium boxes, mb, be represented by y
<u>Equations</u>
10x+6y=126------------------------(a)
5x+6y=96.......................................eliminate y by subtraction
5x=30.................................................divide by 5 to remain with x
x=30/5= 6......................................substitute value of x in equation (a)
(10×6) + 6y =126
60+6y=126
6y=126-60
6y=66..............................................divide by 6 both sides to get y
y=66/6= 11
<u>Solution</u>
x=6 and y=11
shipping cost $6 for a small box and $11 for a medium box
