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3 years ago

A couch is 94 inches long. what is the length in feet and inches

2 answers:

6 0

1 ft= 12 inches ratio and proportion 1 ft/ 12in= x ft/94 inches cross multiply 12x=94 7 10/12 7 ft and 10 inches is length of the couch

enyata [817]3 years ago

3 0

There are 12 inches in a foot.

Divide 94 by 12.

94 / 12 = 7.8333

So there are 7 feet and a few inches.

Now we multiply 12 to 7.

12 * 7 = 84

Subtract this from 94.

94 - 84 = 10

So there are 7 feet and 10 inches in 94 inches.

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Step-by-step explanation:

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3 years ago

Working together, it takes Sam, Jenna, and Francisco two hours to paint one room. When Sam works alone, he can paint one room in

lutik1710 [3]

Answer: 12 hours

Step-by-step explanation:

Given : Working together, it takes Sam, Jenna, and Francisco two hours to paint one room.

When Sam works alone, he can paint one room in 6 hours. When Jenna works alone, she can paint one room in 4 hours.

Let 't' be the time taken by Francisco to paint one room on his own.

Then , we have

Rate of work of Sam +Rate of work of Jenna + Rate of work of Francisco =Rate of work they all do together

$\dfrac{1}{6}+\dfrac{1}{4}+\dfrac{1}{t}=\dfrac{1}{2}$

i.e. $\dfrac{1}{t}=\dfrac{1}{2}-(\dfrac{1}{6}+\dfrac{1}{4})$

i.e. $\dfrac{1}{t}=\dfrac{1}{2}-(\dfrac{4+6}{24})$

i.e. $\dfrac{1}{t}=\dfrac{1}{2}-\dfrac{10}{24}$

i.e. $\dfrac{1}{t}=\dfrac{1}{2}-\dfrac{5}{12}$

i.e. $\dfrac{1}{t}=\dfrac{6-5}{12}$

i.e. $\dfrac{1}{t}=\dfrac{1}{12}$

i.e. t= 12

Hence, Francisco would take 12 hours to paint one room on his own.

8 0

3 years ago

A container shaped as a rectangular prism can hold 840 wooden cube blocks with edge lengths of

asambeis [7]

First, fidn the volume of the little cubes that the rectangular prism can hold instide of itself. The formula for volume is length x width x height. This means you have to multiply 1/2 x 1/2 x 1/2. 1/2 x 1/2 x 1/2 = 1/8. Now, since the rectangular prism can hold 840 of these cubes, you need to multiply each cube's volume, 1/8, by 840. 1/8 x 840 = 105.

Your answer should be: 105 ft.^3

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3 years ago

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Answer:

$5.50

Step-by-step explanation:

2.50divided by 10= .25

.25 times 22= 5.50

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Answer:

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3 years ago