Charlie needs to buy some pencils. Brand A has a pack of 28 pencils for $4.19. Brand B has a pack of 72 pencils for $9.12 How much is each.

Which is better to buy

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)

$30.32

step-by-step explanation:

65.00*.12=2.80

65.00-2.80=57.20

57.20*1.06=60.632

60.632/2=30.316

if she was to only spend a dollar she can get 1lb

step-by-step explanation: