kayleerollingsow3ixn
kayleerollingsow3ixn kayleerollingsow3ixn
  • 02-12-2017
  • Mathematics
contestada

Johnny Can Buy two 8-foot pieces of 2" by 4" lumber at $2.60 each, or three 6-foot pieces for $1.92 each. Which is the better buy per foot?

Respuesta :

bradencarter
bradencarter bradencarter
  • 02-12-2017
Set them up as a proportion to find the unit cost for each foot.

[tex] \frac{2.6}{8} = \frac{x}{1} [/tex]

[tex] \frac{1.92}{6} = \frac{x}{1} [/tex]

Divide 2.6 by 8.

2.6/8 = 0.325

Divide 1.92 by 6.

1.92/6 = 0.32.

Three 6-foot pieces are better by 0.005.

Answer Link

Otras preguntas

PLEASE HELP ASAP IM USING THE LAST OF MY POINTS Maya wants to purchase a yearly membership to an indoor skateboard park. She'll also need to pay a set fee each
plese anybody can help me with this
PLease Help Me [99 points]
An animal without a backbone is known as a(an) _____. vertebrate hermaphrodite polyp invertebrate
what kind of tone is often used in magical realist stories? a. sarcastic b. romantic c. humorous d. serious
The rectangle shed is 2 meters wide and 8 meters long, how large is one side of the square shed in meters
What behavioral difficulties result from fetal alcohol syndrome?
PLEASE HELP ASAP IM USING THE LAST OF MY POINTS Maya wants to purchase a yearly membership to an indoor skateboard park. She'll also need to pay a set fee each
After the United States helped overthrow President Guzman of Guatemala in the early 1950s,
What was the name given to communities built on the idea that everyone who lived in the community shared everything; each member had the same amount of money, c