Question

Which of these items is the better buy?

a. an 8-pack of glue sticks for $3.99 or 1 glue stick for $.54
b. a 12-pack of tape for $2.50 or 1 roll of tape for $.19
c. a 100-pack of pencils for $4.88 or 1 pencil for $.05
d. a 50-pack of paper clips for $.89 or a 25-pack of paper clips
for $.45

Answer 1

a. 8-pack of glue sticks for $3.99

b. 1 roll of tape for $0.19

c. 100-pack of pencils for $4.88

d. 50-pack of paper clips for $0.89

Explanation:

a:

8x = 3.99 or 1 = 0.54

x = 0.49875 or 1 = 0.54

b:

12x = 2.50 or 1 = 0.19

x = 0.2083... or 1 = 0.19

c:

100x = 4.88 or 1 = 0.05

x = 0.0488 or 1 = 0.05

d:

50x = 0.89 or 25x = 0.45

x = 0.0178 or 0.018