A student bought 11 pencils and a pad of paper. • The pencils each cost the same amount.
• The pad of paper cost $4.99.
• The student spent a total of $18.74, not including tax.

a. Write an equation that can be used to find the cost, X, in dollars, of each pencil.

b. What is the cost of each pencil?

Each pencil cost $1.25

Step-by-step explanation:

$18.74 - $4.99

Then, do $1.25 × 11 and you get $13.75

area of part 1:

a1=base*height/2=(8+2)*(8-2-2-1)/2=10*3/2=15 ft^2

area of part 2:

a2=length*width=(8+2)*1=10 ft2

area of part 3:

a3=length*width=8*2=16 ft2

total shaded area : a1+a2+a3=41 ft2

total area of the reactangle : a=16*8=128 ft2

total area of the nonshaded region : 128-41=87 ft2