Hi,

Standard Lumber has 8 foot and 10-foot two-by-fours.

if Aaron bought  two-by-fours with a total length of 844 feet, 

how many represented by  were 8 feet long?

Question states***

  8x + 10(90-x) = 844ft

      -2x = -56

        x = 28 were 8ft long

CHECKING our Answer***

28·8ft + 62·10ft = 224ft + 620ft = 844ft 

RELATED QUESTIONS

A "board foot" is a piece of lumber that measures 1 ft by 1 ft by 1 in. How many board... (answered by vleith)

how many 2x6 pieces of 16-foot lumber will I need to surface a covered porch if the porch  (answered by cleomenius)

I would like to know if you can help me with this portion also? Number 1-5 I definitely... (answered by KMST)

The cost of constructing a 5-foot by 7-foot deck is $192.50. If the cost varies jointly... (answered by rapaljer)

Determine the number of cans of paint needed to paint three rooms of a house (walls and... (answered by josgarithmetic,josmiceli)

how many gallons of varnish are required to apply two coats to a 15 foot by 20 foot wood... (answered by Wolvstein)

Create bell curve for coffee shop franchise if average price of coffee cup is two dollars  (answered by ewatrrr)

(Give your answers correct to TWO (2) decimal places)

In a time and motion study, the... (answered by Theo)

Three paintings are shaped like an 8-foot square, a 7-foot by 4-foot rectangle, and a... (answered by addingup,ikleyn)