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3 years ago

11

A board is 7 3/4 feet in length. How many full size pieces of board 1 1/3 feet in length can a carpenter cut from that board of

wood?

2 answers:

Kobotan [32]3 years ago

7 0

Evaluate.

7 3/4 ÷ 1 1/3 = 31/4 ÷ 4/3 = 31/4 × 3/4 = 93/16 = 5 13/16 (round down)

answer: 5 full boards

Savatey [412]3 years ago

6 0

The carpenter can cut six full sized pieces of board.

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In apirl is rained 1/4 of a inch on 15 diffret day how many inches of rain fell

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In $15$ diffret days $15/4$ inches of rain fell in April month if every day rained $1/4$ of a inch .

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2 years ago

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vlada-n [284]

Answer:

D

Step-by-step explanation:

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2 years ago

What is a multiple of 7 and is also a factor of 7

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28 is a multiple of 7 and also a factor of seven!

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3 years ago

The Width of a rectangle is 2w+3. The length is equal to 4 times its width. Write an expression to represent the perimeter of th

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3 years ago

PLEASE HELP/ANSWER! From 1980 to 1990, Lior’s weight increased by 25%. If his weight was k kilograms in 1990, what was it in 198

Elena-2011 [213]

The weight in 1980 is $\frac{4k}{5}$ kilograms

<em><u>Solution:</u></em>

From 1980 to 1990, Lior’s weight increased by 25%

His weight is "k" kilograms in 1990

<em><u>To find: weight in 1980</u></em>

This is a percentage increase problem

Let "x" be the weight in kilograms in 1980

<em><u>The percentage increase is given by formula:</u></em>

$\text{Percentage increase } = \frac{\text{Final value - initial value}}{\text{initial value}} \times 100$

Here,

Initial value in 1980 = x

Final value in 1990 = k

Percentage increase = 25 %

<em><u>Substituting the values in formula,</u></em>

$25 = \frac{k-x}{x} \times 100\\\\25x = 100(k-x)\\\\x = 4(k-x)\\\\x = 4k - 4x\\\\5x = 4k\\\\x = \frac{4k}{5}$

Thus the weight in kilograms in 1980 is $\frac{4k}{5}$

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3 years ago